Oh, good.

[He smiles, wide and bright and soft all at once.]

I really don't like it when people don't believe me, do you? So it's always nice to check.

In answer to your question: no, I'm not a doctor, but if you get injured I can heal you. If you lose a limb, I can almost certainly grow it back. I'd still advise that you don't, but, well. Just in case.