You're right. She's revealing in several videos, her cooking videos are boring, and it seems like her channel has stagnated. But even in her cooking videos, you can see toilet paper next to her bed, and sometimes you can see they have a bottle (I don't know if it's lubricant).
In some videos, he's not in his room (like the screenshot he shared where he censored his boyfriend's nudity). In one video, I don't recall very well whether he's filming at his mountain house or his boyfriend's. It could also be at his boyfriend's house; we don't know for sure, we only know him by his face.