1.Arriving more than ten minutes late to a date and not apologizing profusely via text.
2.Starting an online dating conversation with "Hey."
3.Saying "My ex and I used to do that" when your current partner refuses to engage in a particular sexual position or scenario with you.
4.Talking about how much (or how little) money you make on a date.
5.Insulting someone who declines your advances on a dating site.
6.Going out with someone more than once and then "ghosting" on them by not replying to their texts.
7.Sending a "You up?" text to your ex whose heart you broke.
8.If you're a guy, intentionally taking a really long time to finish when having sex with a woman to prove your longevity.
9.Saying, "That's never happened with anyone else I've slept with" if your sexual partner doesn't orgasm.
10.Asking someone on a date but adding, "if you want" to the end like you totally don't even care since you are just so cool about everything.
11.Having pictures on your dating profile with a very attractive person that imply they may or not be your significant other.
12.Sending an unsolicited photo of your junk.
13.Negging, a tactic wherein people (monsters) subtly insult their dates to make them feel insecure and work extra hard to seem desirable.
14.Making a racist or homophobic or sexist or transphobic or ageist or classist or otherwise discriminatory joke on a date under the assumption that you are with someone who doesn't belong to the category you mock so its like, totally cool!
15.Surprising someone with a rim job when you're going down on them.