i been doing more research, and i see alot of people say "handle more to get them used to it" but also alot say "leave em alone and dont bother them and that works better to tame them down"
Im not sure which route i should go. For now, i will just do what has worked for me before, even though it was a BP, i remember when i got my BP as a baby, although he never struck, the first few days he hissed at me when i tried to grab him. I left him alone and let him settle in for 2 weeks before i started handling him, and he stopped hissing within a week. So i will try this with the boa aswell. Im going to leave him alone except to refilling his water bowl, and of course feeding. Other than that i wont handle him for 2 weeks and see after that how he does.