Adorable
He is there to help and if you have a genuine problem that he can help you with, then that’s what he does, he makes himself available for people who need his help. Trust me, I know that there are plenty of people that have taken up his time on unimportant matters. If your issue is real then don’t worry, he will be glad to talk to you and he will not see you as a burden. He’s just hard to reach don’t see that as a reason to give up.