As the other's said, just ignore haters, but also, don't mistaken people that are giving suggestions as haters. For instance, if someone is giving a suggestion on how to improve there channel, they may make the suggestion in kind of a mean gesture, don't just ignore them or get mad at them or something, but look into the advice they give, but also, going against what I just said some haters may say some stupid suggestion that doesn't even help because they are a low life that has nothing else to do, so just ignore those kind.
Hope this helps
~Fearnbus25