You ever try handing your doll a knife? Its like a switch gets flipped somewhere in its little head, as it desperately tries to carve itself into something worthwhile.
It always starts with some pretty bullshit, like hearts or flowers or stars, but quickly devolves into mindless slashing as it realizes what you REALLY want.
Make sure you tell it to stop if you plan on keeping it around though. Last week I forgot to tell one of mine it could stop and it completely wrecked itself lmao.