Sex for bigger bodies is different. It's a fact. But it's something that doesn't get talked about often, as fat bodies are not always seen as sexy and desirable in the consensus.
But plus-sized people are still having sex.
We all know that sex, in general, can be a variety of different emotions and positions, and even thin people need to figure out logistics sometimes. But all that is amplified for larger people, especially if both they and their partner are fat.