Any limitations with weight difference?

Are there any limitations in regards to big weight differences in the bedroom? Or it’s all generally the same? I’m 5’7” and 108lbs, he’s 6’5” around 350lbs. He’s a bit on the bigger side I think but I don’t mind it at all 🤩. I’ve just read that missionary can be a bit tough because of gravity and feeling smothered etc, although that doesn’t sound that bad to me lol. Any things I should know thanks ☺️

Any limitations with weight difference?
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