Not eating will cause weight loss, but you don't want it dramatically. He sounds fine, but keep an eye on his weight, and try to get him to eat (you probably are anyway lol).
I own
0.1 normal Padme
1.0 normal (first snake) Cave Johnson
0.1 het. pied Chell
1.0 het. pied Wheatley
1.0 Leopard gecko Muffin (given to me by my little sister, she named it)
As you can see, I name my snakes after Portal and Star Wars characters. Soon (hopefully) 1.0 pinstripe
1.0 cornsnake (or 0.1)
1.0 BCI boa