Just promise you'll come back in one piece, Connor - and that includes all the non-physical and non-noodly appendages.
Promise it.
And I mean it, really, I've seen how emotional scars can become a worse companion for the rest of your life than a prosthetic leg and neither of those is a destiny one would wish upon anyone.
May the Lady of Fortune bless you with her good charms and the Almighty God keep you sane in whatever trials you will have to face out there.
There will always be a place here waiting for your return.