Am I wrong to assume that she enjoys anal sex? A friend's first experience

A guy's girlfriend loves anal sex, but not during date night. He seeks advice from his friend, who encourages him to try it. After a steamy session, they discover she's been cheating.

A young man has been harboring a secret from his girlfriend. He's always assumed she enjoys anal sex, but he's never actually asked her. To finally put this to rest, he decides to film their intimate moments and show her the footage. When he brings up the topic, she assures him that she does not enjoy it. However, she's game for anything to make her boyfriend happy. So, he takes the opportunity to fulfill his desire and initiates anal sex. The scene unfolds with her bending over doggystyle, allowing him to penetrate her from behind. After a while, they switch to missionary position, where he continues to pleasure her. Despite her discomfort, she endures, hoping to satisfy her boyfriend. However, things take an unexpected turn when he accidentally penetrates too deep, causing her intense pain. This leads to a conversation about boundaries and consent, highlighting the importance of communication in any relationship.