Gay guy scans my body?

For context, im a female close friend. He did admit he had relationships that were female in the past but he leans on the other side now.

The concern I have is he frequently scans my body whenever we meet looking at boobs section. I notice it multiple times. Although he does mention im like his younger sister but when he does this, it feels weird.

Anyone can figure out what scanning of the body means if he is gay and not into that? One time he also mentioned to me he likes big boobs and he was referring to the person we saw who had one.

He is openly admiring guys and had sexual activities with them so I'm not sure how to take this.

Gay guy scans my body?
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