we have had 3 x male bonded pairs , all neutured, all succesfull. Once bonded id advise that they are not alone together for several months until they are 100% trustworthy, their fights can be epic and deadly. Our last bonded boys had been friends for a month and one day they had a fight , i lifted up one rabbit and the other one came with him, locked onto his underbelly with his teeth, i had to kick him with my foot to release him, 5 mins later they were best buddies again.