So my birth control made me gain some weight..

And I keep telling my boyfriend I wish I could find a way to keep taking birth control but go back to the way I was before. And he's always said "You don't need to lose weight, you're beautiful." But now after going to the beach and seeing all kinds of skinnier girls he wants me to stop taking because "I" want to be skinnier. Could he be wanting me to stop taking it because he thinks I'm getting fat or am I just getting paranoid?
So my birth control made me gain some weight..
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