If your male is not neutered, he can be very difficult to litterbox train, prone to spraying and marking, and a lot more territorial towards you and other rabbits. It may be impossible to bond him if he is intact.
We are as gods to the beasts of the fields. We order the time o' their birth and the time o' their death. Between times, we ha' a duty. - Terry Pratchett.
"Men have forgotten this truth", said the fox, "But you must not forget it. You become responsible, forever, for what you have tamed. - Antoine de Saint-Exupéry