New BP not eating

[Bogertophis]

I'm glad that you realize it's best not to handle your snake yet: we actually recommend not handling until he has fed at least 3 times at normal intervals & without refusals* to assure that he's settled in & won't go "off" feeding the moment you try to become better acquainted. (*It's normal for a snake to refuse food if they go into shed- so that obviously doesn't "count".)

I'll "second" what GoingPostal said, about not offering too frequently. Wait at least a week before you offer again (otherwise it just stresses them too much), & pay attention what your snake is doing when you offer, also the time of day. Also, many keepers don't even offer food for the first week or 2, just to allow the snake to settle in to their "scary" new environment. It's unsettling for a snake to be in a new home- in the wild, they survive by learning their way around- where to hide from predators & bad weather. They don't understand where their "home" disappeared to.

Evenings are best, & since BPs are "ambush-predators", many have the most success offering prey when their BP is peeking out of their hide in the evening hours; BPs feel safe this way, enough to grab prey that appears to be passing nearby, so when you use tongs to move the rodent, do NOT directly approach the snake with the prey (trust me, wild rodents don't volunteer to be eaten, & that behavior can freak out a shy snake). Instead, make it seem to pass by a short distance away, as if just cluelessly too near where the snake is hiding. You should also know that if your snake is cruising around his home, he probably won't accept food when he's "out in the open" like that- wait until he's settled down. Again it's their instincts: a wild snake occupied with eating out in the open may themselves get eaten by another predator looking for an easy meal.

The key to success with snakes is patience, & understanding how they see the world.