Ah, and something more:
You're worrying about things that could happen in 3-5-10 years. But that's future, not now. Read Eckhart Tolle
What is your problem
right now? Does her behavior hurt you? In that case, see my previous post. Or do you just think she should not behave the way she does?
Welcome to the forum

Congratulations to your status change from lurker to contributor! Hope you'll like it.
Lots of love,
Rose.
Ah and about the bike: this happened to me too, but I had no second key. It was so funny, I had to steal my own bike! And the best is that I was there, in the middle of the street in the afternoon, with my tool kit, obviously stealing a bike, and nobody asked me wtf I was doing