Why does my boyfriend smell my dirty underwear and look at me for hours before I wake up?

Anonymous
My boyfriend is a very attractive male. The other day he confessed me that he has smelled my dirty underwear and he always wants me to sit on his face and he wants to smell me all the time. It is a bit weird, because otherwise he is a very normal man and also, the type of guy who is very dominant. But to me he is like a lovely puppy.

In the morning he wakes up 2 hours earlier and looks at me, I sleep with my mouth open and he doesn’t get disturbed by my morning breath, by my morning looks. He is just there looking at me for hours. I don’t know why. I love him a lot, but I find these things a bit weird.
Why does my boyfriend smell my dirty underwear and look at me for hours before I wake up?
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