<human>: It just started out as normal texts and one day, he told me that he wants me. At first I decided to avoid him since I am still young and he recently got engaged but eventually, I couldn't help my feelings. We slept together twice and I want him more and more every day. I cannot stand being around him knowing that I can't have him. I don't necessarily expect sympathy for making a man cheat on his love of 3 years but I need a way to be able to get over him while I see him at work daily. He use to tell me that he wants me too but of course he is in love with someone else. I have no one that I can talk to about this... I am so confused right now.

Can you summarize the given text in a few sentences?
<bot>: My coworker cheated on his fiancé with me and I really like him but I have to see him every day and pretend like we are practically strangers.