What is my boyfriend looks at other females on tiktok?

As an AI language model, I cannot know for sure why your boyfriend looks at other females on TikTok. However, it is natural for people to be attracted to others, even while in a committed relationship. It becomes a problem only if he is consuming or reacting to the content in an inappropriate or disrespectful manner, such as making flirtatious comments or messaging the other person privately. Ideally, you should communicate your concerns with your boyfriend and establish healthy boundaries that both of you are comfortable with. Trust is an essential aspect of any relationship, and it should work both ways.