Yes, I've offered food twice since the first refusal, thinking the daytime roaming was hunger. I'll hold off now for a week. Because it came to us so thin, I thought it would eat till finally reaching it's proper size (for whatever age it is.. 6-7 months?). I guess it's "full" now.
I read that males will go off food during breeding season if there's a female around; however, this is the only snake here, and we don't know if it's male or female. (I alternate between calling it "him" or "her".)
And since my last post, I've covered up the back and 2 sides of the tank.