Blimey, that's fucking Can't blame you for trying. I'd have done the same if anything had happened to Hermione my, er, one true love? back home.
Much as I think you ought to keep using magic, my opinion on it doesn't matter. It's your call. If you decide to try and stick it out with your witch half, I could sort of poke round and help make sure you don't bugger it up. Best I can do, really.