I had to do that on a bud's bike because we used the old stock oil tank on the hardtail. As mentioned, rubber ends, and rubber as a sheath where it routed past the frame.

I'd rather give someone a tool than a solution. Give them an answer and they'll always expect it. Teach them how to find the answers for themselves and they will spend a lifetime learning.
As for my mental state?
"Not User Friendly"