Hey I'm trying to research a similar situation as you Halfway. I have 3 mice that were supposed to be all Male but somehow a Female slipped in and got enpregnated. So now I have 3 mice + many more soon to come, these mice are kept in the same room as my snake about 10ft away in a 10gl glass cage. I can smell the mice when I walk in the front door, that musk, so I figure my ball can as well. Like you im wondering if this is driving my snake crazy or if when I handle him for exercise and fun (on his part heh) is he going to be more aggressive? I live in a roughly 1000sq ft Apt. with basically no extra rooms to put the mice.