You DEFINITELY do NOT want to assist feed that snake. You're causing WAY more harm than good. That poor snake is stressed to the max and definitely will not eat like that. Two months is nothing in snake time. Snakes can go much longer without food. Since the snake is already established as a good eater it is most likely just a simple fast, which is EXTREMELY common among snakes, BPs in particular.
Don't offer again for two weeks, and only offer every 2 weeks until she starts eating again.
Weigh the snake an keep track of her weight. If she loses more than 10-15% body weight then it might be time for a vet visit.
Lastly, I don't know who, if anybody, advised you to assist feed, but i wouldn't take advice from that person anymore. Think of it like this: you know how to eat on your own. Would you like a group of people holding you down and trying to literally force food down your throat when you aren't hungry??? Probably not. Neither does your snake. She knows how to eat and WILL when she's ready.
Assist feeding is for hatchlings who've never eaten and literally need to be taught how. Even then it's a last resort.
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