Oh love is a beautiful, tricky, often shady mistress. Love is brutally imperfect and can often be unable to contain. We all have those people we love and lust for but can't tell them, or we believe we can't tell them for whatever reasons. So we tend to obsess over them from afar, yet often right under their noses. We think we're being cool and that they have no idea that we would slay dragons for them but those feelings, that crush is beyond obvious.
Redditor u/positivemale wanted to discuss the red flags of falling in love by asking... What screams "I have a crush on you"?
Sleep Deprivation...
You stay up talking to them multiple nights in a row and screw up your entire sleep schedule
Source: I am going thru it now.
The girl I like used to have a little thing for my best friend for like 2 days but he's basically in love with his soon-to-be girl who's also one of my best friends. Its hella complicated man. Superweeniehutjrboi
Laugh Your head Off!
If they laugh at everything you say, there's a good chance they're crushing on you. mourningdoo
I have a girl who literally do this when I first met her in my Uni. She would make me ask things about her, being talkative with me, and seems comfortable sharing the same table with only the two of us. Pretty much ticks all the characteristics of a crush. And then she tells me how she met her boyfriend (which is on facebook). I guessed she's laughing simply cos I was funny, not of anything else. Sinaran_Sundang
Rise but no Shine!
Being in college and getting up at 7am to have breakfast with her when you have no classes at all that day.
Edit: i despise mornings with a passion. DapperestDuck
I See only YOU!
Longing looks and nervous conversations. Tehyne
That's me unintentionally. IAmTheGlazed
People are Watching...
Typically only others can see it, but when they look at you every chance they get when you aren't looking lol. DarthRevan17
Freshman year of high school I had a huge crush on this blond kid. At lunch one day, I saw him talking to a mutual guy friend. I could not stop looking over at him, because duh, I liked him.
I had been with my friends talking about random things when my friend pointed out that I kept looking at him, but that he kept looking at me too, whenever I wasn't looking.
7 years later, we are married and have babies :) RIPChairModel
She Loves Me!
I knew a former co-worker was into me because of how much extra attention i got from her. everyone in general was nice, but she was extra nice. she'd bring me snacks, eventually started giving me small presents, would tell me to go on my break even if i already knew it was time.
i knew she trusted me when she gave me her laptop to take home for a few days so i could learn to use it and then teach her.
Besides that, her actually asking me and being curious about what i'd really like for christmas also helped in letting me know she cared. i did a lot of things that should've let her know i cared/liked her, but i guess i should've done more. Alejandro4891
Portraits of Love....
Giving them a drawing you did of them. RadStar888
It took me like 3 hours to finish the shading on your upper lip. nms1539
Hands Off!
Touching. If they are touching you more than the average person touches you, and/or more than they are touching everybody else. gimme_the_light
That's tricky because even when I've had a crush on someone, I don't feel like I'm allowed to breach that level of... uh, "intimacy" I guess. If touching is kinda "special" to you in some way then no, you don't touch them unless you know it goes both ways. Zhuinden
Drink Up!
Drunk calling/texting, next day call/text to apologize for the night before because they were drunk. CDD1977red
Whoops....
Accidentally tweeting your crush's name at 2:00 am. I mean, you meant to search it, but it's late at night, dammit, and you want to make sure they don't have a boyfriend (even though you're too chicken to ask them out). polakpunk00
@TweetforAnnaNAFO/X
Steve Urkel Oops GIF 
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The Office Monday GIF by 20th Century Fox Home Entertainment