Well without knowing the age of the snake and feeding info, hard to say. I see you said "fed weekly". Does that mean he's a yearling as in a couple feet long? What are you feeding him? My boas will sometimes want to come out as well, not hungry but just want to mess around. Rosey does it a lot more than Vicky. Vicky is fairly happy to be in her cage but does sometimes want to come hang out. I tend to get everyone except Allison out 2-4 times a week for "play" time. Allison isn't much of a social snake so I usually just take her out for a little bit 1-2 times a week.
Boas are pretty curious so he might just want to see the new area. Take him out and let him sit on you while you do stuff or the couch or bed while you watch tv.
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