© Getty Images

Fallon started it off - He tweeted, "A cute girl once said hi to me at a friend's BBQ. I got so nervous I just nodded my head and said, 'Cap'n,' back at her. #WhyImSingle"

© Getty Images

You gotta do what you gotta do - This woman earned a retweet from the Fallon Tonight Twitter account for admitting, "I had ran out of clean plates so instead of washing up I just used a dvd case."

© Shutterstock

Different priorities - What kind of cat can be blamed for its owner's single status? One user explained, "I have a cat named Her Majesty Queen Meow Meow von Buckingham III, Esq."

© iStock

Similar to a certain 'Friends' character - It might have been Joey Tribbiani himself who tweeted, "I’m not ready to share my food with someone." Sharing food is a big step! 

© iStock

Cringe! - One brave and single user wrote,"I asked a cute guy if I could borrow a pen, when I finished using it, he smiled and held his hand out. I thought he wanted to hold my hand, so I did...he was just waiting for me to return his pen."

© iStock

A few steps behind - One user said the reason they're single is because "I still use the finger L trick to determine my left from my right."

© Shutterstock

When hairy met single -

One user wrote, "*cute guy flirts with me*
*I flirt back*
***in the back of my mind 'if you start dating someone, you’re going to have to start shaving your legs every day'
*stops flirting and walks away*
This is #WhyImSingle." Valid!

© iStock

A little too blind - One user had a cringeworthy tale: "Went on a blind date & had a GREAT conversation with the guy for 40 minutes. I went to the Ladies’ Room & when I returned, sat down & resumed chatting. He looked a little confused & then I heard a voice behind me say, 'You’re at the wrong table. I’m over here.'"

© iStock

What's an artist to do? - "No one supports my love for drawing birds playing various sports," some poor bird-lover tweeted.

© Shutterstock

Office romance, almost - Why is this user single? "A cute girl at work walked by me while I was filling my water bottle. She smiled at me and rather than saying hi I let out a moan and said 'Hydration am I right.'"

© iStock

Pickup lines are hard - One guy said he's single because "I told her she gave me eagles instead of butterflies." Common mistake!

© Shutterstock

Forward-thinking - One woman said she's single "Because right now that guy may seem really cute and sweet and funny, but one day, he is going to wear socks with sandals and not understand why you won't be seen with him in public.  So, I'm just being proactive."

© Shutterstock

It's about what's on the inside - One user tweeted, "My cousin told me the key to flirting is to compliment. I walked right up to a guy got flustered and said you have a really nice spine and immediately walked away."

© Shutterstock

A woman never tells, but this one told too much - A loose-lipped user explained why she's single: "While talking to a guy I liked about my friend, he asked if she was a redhead, then apologized & said, 'it’s probably weird that I know her from your Instagram.' To make him feel better, I said, 'No it’s ok, I look at your Instagram every night before I go to bed!'"

© iStock

Younger siblings ruin everything - One big brother wrote, "I was hanging out with my little brother when a girl asked me what I did for a living... My brother replied 'he puts people in his car...' I WORK FOR UBER!!!"

© iStock

Enough cheese to feed all the mice in the world - One online dater tweeted a very clear reason for why he's single: "Once I did an online profile for this dating site. The headline I used was 'You can ac-count on me.'"

© iStock

Single and very, very critical - Another woman tweeted that she's single because "I have an obsessive need to point out missing apostrophes."

© iStock

This one's easy to understand - One user just tweeted a photo of the Netflix logo without any other explanation. A picture says a thousand words.

© Shutterstock

Big dreams and slim chances - Why is one user still single? "Because David Beckham will never leave Posh." Looks like the rest of her life will be solo.

© Getty Images

Dating is hard - One user is still single because they realized that "Apparently you have to talk to people and go outside in order to date…"

© iStock

This is a tough one to get over - Someone out there is single "Because [they] don’t let people sit/touch [their] bed if they’re wearing street clothes." The question is: do they provide home clothes?

© Shutterstock

The crushing weight of political baggage - A user admitted they were single for the most embarrassing reason: "I get drunk and confess I voted for Trump while crying."

© iStock

Granny's still got it - A mature Twitter user explained that the reason why she's single is because "My grandkids don’t like any guy I bring home. Sneaking around at my age is too exhausting."

© iStock

A truly traumatic experience - A courageous guy wrote, "A cute girl came up to flirt with me in college. I had been crushing on her for almost a year. She was joking around and playfully poked me in the belly. Nervous as I was, I tightened up my stomach and farted as if she had pressed my 'fart button.' It was shocking."

© Shutterstock

When you just want to get down to the nitty gritty - Many can relate to this woman who wrote, "I’ve seen too many episodes of Criminal Minds, and apparently 'How would you characterize your relationship with your mother?' isn’t great first date material."

© BrunoPress

Being clever doesn't make you less single - Someone tweeted that the reason they're single is "Because apparently it’s frowned upon when you bring your cat Frank Sriracha with you everywhere." Great name though!

© iStock

Played it a little too safe - "My leaked sextape got a G rating," one user tweeted. He didn't exactly get the Kim Kardashian and Ray J results as he'd hoped. 

© iStock

Even Jeff Goldblum can't help you find the one - One user tweeted, "My crush wasn't writing me back so I sent them a picture of Jeff Goldblum followed by 'sorry I meant to send this to my friend'. I was hoping that would start a conversation. It didn't."

© Getty Images

Can't shake that feeling - A very nostalgic user wrote, "Cooties Awareness Day made me cautious."

© Shutterstock

Let's not forget the perks of solitude - One woman tweeted the reason she chooses to be single: "I can eat Nutella out of the jar, naked without judgement."

© iStock

Just a little creepy - One user explained their single status with "Two words: Restraining order."

© iStock

Unreachable qualifications - One man explained that he's single "Because I have a VERY high standard when it comes to dating that so far very few women have been able to live up to...She has to like me."

© iStock

Wait, a thumbs up isn't flirty? - Someone tweeted, "I was talking to this cute guy waiting to use the bathroom, it was his turn, and I said 'bye enjoy!' And when he turned around I just gave him a thumbs up."

© iStock

TLC is the reason this woman is single - She wrote, "One time on a dating app the guy I was talking to mentioned that he hiked to a waterfall to which I said that TLC told me not to go chasing waterfalls so I don’t go near them. The conversation stopped." She's better without him!

© Getty Images