Cool. Those sound like reasons. Well, you don’t want them to rot, that’s for sure. Don’t be afraid to pry the buds open and look at the “stem side” to make sure everything is healthy.
Once each of the pistils browns, the calyx that it’s attached to swells a bit. That’s “the fattening”. I think it takes a week, but I don’t navigate time well. If you can stare at the trichomes in the sunlight with your eyeballs hard enough, you can sometimes just see when they’ve become white instead of clear.
Stare Hard As Fk. Yeah.