Answering My Cousin’s Questions

My cousin has called me three times now for my opinion on the best domain hosts. The first two times I was very happy to help him, but now I am just aggravated. Why does he call and ask for my opinion if he is just going to discount it or ignore it? I have better things to do with my time than answer the same question over and over again. If he knows so much more than I do about this subject, why does he call me? This is a pattern with him and one of these days I am going to learn. My response when he asks a question like this should be that I know nothing about the subject so he would be better to ask someone else.