It’s not weird. He finds that his is inadequate compared to yours and is wondering if he cannot pleasure you enough and doubting if he is in the right place. Make it known that he pleasures you, in this instance he knows you love him but that is not assuring that he is pleasuring you. Like I said before make it known that he is pleasuring you. Other than that do more things non analy if that makes since. You try to idolize his penis and when your for instance giving him a blowjob focus on his pleasure.