Fuck. This. Shit.
"It's realistic". "It was obvious". "What else did you expect to happen?".
Fuck you. If I want sadness I turn on the news. I'll have a daily dose of car accident deaths, corona deaths, rapes, terrorist attacks.
I read to GET AWAY from that shit. A happy ending. Is it really so much to ask? Don't introduce a character just to break their heart. Grow some balls and go for the poly ending. It's called Fiction for fuck's sake.