What do guys think when they stare at a girls boobs?

So earlier me n 4 of my friends were hangin out it was me n another girl and 3 guys. We were all over at the house and through out the 3 hours we were together i cought all 3 of them staring at my boobs more then once. I am only a size b so there is not tht much to stare at. What do guys think when they look at aa girls boobs?
What do guys think when they stare at a girls boobs?
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