Guys, if a guy doesn't go down on a girl but wants her to go down on him everytime, should she dump him?

I have been seeing this guy for a while and I noticed that he always wants me to go down on him but he doesn't go down on me hardly ever. I feel like I should not have to ask and he should want to do that especially if he asks me to go down on him. I have also mentioned in the past that I like it. So is it safe to assume he probably doesn't like me that much and dump him?
Guys, if a guy doesn't go down on a girl but wants her to go down on him everytime, should she dump him?
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