I don't have a scale yet. :/

Thanks, maybe I should be feeding him a bit more, I was asking since he starting to look a 'little' thin to my eyes. He's not 'rounded' like a lot of BP's I see here.
I feed him 1 small mouse every 7 days. I tried 2 smaller mouse last feeding to see if he'd take it and he did.
Perhaps I should be feeding 2 small mice every 7 days?

Here's a pic from a few weeks ago: