Why would he get mad if I watch thirst traps if he does, too?

Sometimes I watch those thirst traps videos on Facebook and my boyfriend would get mad. But obviously he watches those kinds of videos, too, and he'll go through the pages of those accounts or pages to look at more.

Soooo why is he so mad if I watch them? I don't go and search them, they just pop up for me just like they pop up for him, except I don't go watching more and more like he does. Lol

Why would he get mad if I watch thirst traps if he does, too?
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