Boys stare at girls' private parts simply because they're enjoyable to look at if they're not unattractive. It doesn't have to have anything to do with dirty thoughts, it can just be admiring beauty and looking at it, the same way you enjoy looking at beautiful pictures, flowers or listening to beautiful songs.
If a guy is looking at a girl's breasts it can also mean that he is looking for someone who would give his child good nutrition through breast feeding.
Boys love feeling breasts, because they want to feel a girl's body, and the breasts are something that males don't have. They want what they don't have.
They want to feel sexual, and they could want some milk.
Sometimes some boys are in live with breasts others find them disgusting.
Girls develop breasts due to the hormones in their body. Usually, breasts are developed at the age of 10-13 They have different hormones to boys, which is why boys dont have breasts.
The size of breasts teenage boys love is any as long as you have some
I myself am not. I don't want to see them at all.
All boys/men like breasts and if you are unsure you could always ask him. rub them in his face and see if he likes it, i dont know
On babs only
We can grow big breasts by doing sex with other boys because they suck our breasts.
That is generally true that you may get the attention of most of the boys, if you have bigger breasts. But then, you are getting the attention of the boys as a sex objects. You are not a sex object. You should get the attention of the boys as a person. Big breasts are not necessary for the same.
say "i want to see your penis"
While the true answer to this question is as individual as each person, I think most boys look at a girl's breasts because they are curious, and because they find breasts attractive.