Been on and off talking to this girl, couple dates etc over the past few months. Wasn't progressing. Started reading TRP but still didn't have the balls to cut her off. Friends telling me she ain't right for me and that I can do better. Finally she takes interest in a friend of mine while drunk. Let her have what she wanted, didn't beta out and cry about it or tell her no.
Ran into her last night and just gave a courteous hello have fun (I don't believe it's professional to not do this - makes you look like you have baggage). My friends were all like "wow she's gotten uglier" and "wow look she just wandered off and literally has no friends here and keeps looking back at you."
For the first time I stuck to my guns, and (key point here) didn't overthink it and try to come up with an asshole way to "get her back" - just accepted that it's over and that I can do better. That was the biggest relief of all. No oneitis-like "I'll never do better" or "maybe she'll come back."
My mood, work performance, drive, and everything has gone through the roof already. I haven't felt this good in months bros. Went out last night with friends and didn't awkwardly keep thinking about how to see her again. Already got great new prospects on the table that I'm excited about too.
If you know deep down inside that you're keeping someone around who you should next, trust me, just do it.
Edit/update: went out for the holiday and had a great time with friends. Work performance is back up, my appetite is back, sleeping less - all things I didn't even realize were related. Lined up a girl I've had my eyes on too, and met another who's super cool last night (and way better and cuter than the one I was hung up on). Best part, oneitis girl's attempts to contact me, which I knew would come in time, aren't phasing me emotionally at all. Swipe, delete conversation.