we have had ours done in the past, it doesnt change their character at all, it just means they wont have the horn on, which can only be a good thing? thats if you dont plan on breeding.

Just get it done, he wont know its been done apart from feeling the stitches down there, but he will have to wear a neck thingy for a week or so until he has the stitches out, if you dont put it on he will just pull/lick them out, which is not good