I’m so sorry about your pup
I think she will adjust, and I don’t think you should feel guilty at all! It sounds like she gets way more space than mine do, given that I’m in a studio apartment and they don’t even get all of that (they get up to no good in the bathroom and closet). I think she will adjust in time.
6 hours a day is also a good amount if it’s timed to when she’s active morning and evenings. When my husband doesn’t work from home, mine only get about that as well. And even when he’s home, they sleep in their condo all day anyway, aside from maybe a short venture out.
I am not sure about bunnies, but I’ve heard dogs are more obsessed with doors when they can’t see through them, so maybe putting a baby gate or something similar there would help her not be so obsessed with what’s on the other side? My buns used to have access to the hallway and bathroom, but no longer do. I use an x-pen to block it off and they aren’t too concerned with getting through. BunJovi will “test” it maybe once a day, then move on.
Again please don’t feel guilty! It sounds like she is still living a life that most bunnies would dream of!
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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.