Fucking one of your fraternity brothers girlfriends after she drunkenly kissed you one night at a party behind the house and it continued from there with Snapchat’s like this
Your hot milf coworker that you started an affair with shortly after getting your job a few months ago always had you over when the husband worked late nights
Your best friend broke up with his girlfriend and you two started talking shortly after, when she admitted she had been thinking about you for a long time