Phases have always been bugged in my game. Once I have a child or teen go into a certain phase, they'll never grow out of it, no matter how much the parents try helping them through it.
I don't mind any of them too much, but the Bear one irritates me. I'm always annoyed when I go into a household and find a small "bear" in the Sim panel.
I use the Advanced Debug/Cheats Interactions Mod, and when shift-clicking a Sim it brings up a menu. Somewhere in the menu there's a section, "remove trait", and that brings up a menu with a list of all equipped traits. I remove the phases that way.
It's basically the same thing as typing in the cheat to remove traits, but typing it in doesn't always work for some reason. Having the menu unlocked with the mod has yet to fail me, though.
I also believe it's similar to the Sim Info mod, but I don't have any experience with that one.
