A: Don't worry about it. It's fine. Just ignore the paradoxes, the grandfather clause, and the inevitable singularity-induced existential dread. We'll just wing it.
Advanced Time Traveler's Tech Support
A: No. Just no. You'll need a few more things than that. But hey, it's a start!
A: It's just a thing. Don't worry about it. Unless you're worried about it. Then don't worry about that either.