If he's on the larger side it can be very painful The eagle sex position is where one partner spreads their legs straight out to the sides while the other partner penetrates them You need to tell them you don't like it
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He can't read your mind.
The seashell sex position, sometimes referred to as the butterfly sex position, (though some claim it is a variation on butterfly) involves one partner lying on their back near the edge of the bed, with legs elevated or resting on the shoulders of the standing partner.
Their legs can either go straight up or rest on your shoulders for added comfort