Guys ask me, don't I get burned out? How can you get burned out doing something you love? I ask you, have you ever got tired of kissing a pretty girl?

This quote is saying that people ask if the speaker gets burned out doing something they love. The speaker is giving an answer by saying that it’s impossible to get tired of something you love. It’s like asking if you can get tired of kissing a pretty girl, which is impossible because it is something people love to do. Basically, the speaker is saying you can’t get tired of something when you really enjoy it.