Hi Hannh16. Yes I agree with k1 Maria . after 3 weeks I put mine together and they had a bad fight, so I put them back in their separate areas and have waited another three weeks, it will be four weeks this weekend and we will try again, but things seem a little better now as Rooney Tries to lick Millie between the bars, which they didn't do before, also I wouldn't leave them alone at all when they are put together, and always try to end on a good note, as people say the rabbits remember the last time they met. Each rabbit is an individual so I dont think there is a time scale to bonding, just take your time and keep trying. How are your rabbits doing k1Maria.