Breast fetishism (Mammagymnophilia, mazophilia, partialism) is a sexual arousal by female breasts.
It becomes a paraphilia if a person is overly obsessed by breasts. Otherwise all men and some women would be subject to this fetish.
Breasts are the symbol of the woman. There are many males who don't really look at their size, though. Usually other qualities are of most importance in love making. Also, to most, breasts don't play such a role in sex life like the size of the vagina or the penis.
But for many it becomes a focal - magic point. Women often complain men don't look into their eyes, they look instead directly on their boobs.
It is easy to say and difficult to avoid... No matter how hard and honest your conversation is, breasts act like magnets. They draw men's eyes. And these glances may not be always welcomed by a female.
In short, it is a fetish when one worships them.
And other closely related paraphilias: Lactaphilia
(What a combination...)
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