How do you make your brother nice?

try to make jokes with him do things he likes trick him into something that he like likes but it is actually something that might help him.

i have a little bro he is annoying and when i do things he does and do the things he wants he turns out to be nice.

reply me by telling me his age and your age and the way he behaves to you i might help you to bond with your brother

hope this helped

reply to me