Like you'll cultivate a future friendship with them in your head and think about it everyday. Then when you act on it and they shut you down/don't reply you get depressed about it for weeks/months? Then after that you vow to not watch/look at anything they've been in because their appearance will just ruin it for you. This happens to me a lot with entertainment industry people I talk to, and in the end it just causes me to spite them. I can't help myself though because I obsess over whichever specific person all the time. It goes from adoration to fuck off and die