The phrase being thrown back at him gets a small smile in response, actually. Seto lets himself breathe, careful of the steam, and any remaining tension drains out. As ridiculous as it might seem, someone he trusts giving him permission to figure himself out means a lot.

After a few moments of peacefully enjoying the heat, he looks up at Siebren once more. Maybe...step one of this change is being more open with others. He can start now.

"Thank you, Siebren. I should've said it sooner, but I appreciate everything you've done for me. I'm still available if you ever need a mechanic."