Hi there, welcome
Thank you for rescuing her…. it makes me so mad when people buy pets as a prank or a prop >
I know this wasn’t in your post, but since she is so young and was taken away from her mom early, you should have her checked out with a rabbit savvy vet to make sure everything is OK. You can also discuss her nutrition with her. Basically she should get an alfalfa young rabbit pellet, and unlimited grass hay. She might benefit from a pro-biotic to make sure her gut flora establish correctly. One called Bene-bac is often used to wean orphaned cotton tails. No veggies until she is 16 weeks, then you can slowly introduce greens (one at a time per week is usually good).
This information is especially important to share with your mom, as young rabbits are even more sensitive than adults.
That said, I don’t think she will forget you, or be sad that when she leaves your mom. I think as long as your mom takes good care of her, she will be happy enough, and then happy again to see you when you get her back. I imagine the biggest stress for her will be moving physical locations, so don’t be alarmed if it takes her a while to settle in once you pick her back up.
I adopted my Bertha from a friend who could no longer keep her, and I swear she still remembers my friend, who visits her about once a year.
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The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.