No, you aren’t crazy and I would say that at least half the parents on Cc have had the same thoughts. Been there, done that. Don’t be surprised to get texts of doom and tearful phone calls, but remember that your kid is unloading on you. Once she’s done that, she’s probably fine, until she needs to unload again. We are human trash cans.
Please read this: To those who feel lonely/homesick/friendless/think they chose the wrong school, etc...
It’s for students, but I think you might find comfort in it. I wrote it after my own daughter went through a similar thing.
I can honestly say that I needlessly worried and should have divested myself more from what, in hindsight, was a necessary period of growth in her life. She had a bumpy start, but ended up loving her college and graduated last year. I’m sure you daughter will be fine. Good luck to her.