stepping away from men for boys??

well i don't know what happend to romance but a while ago a friend got with another friend of mine and it was so cute too see him that happy and crazy about a girl it wend on for a couple of months i believe times goes fast and now they broke up and why the ultimate question litterly her own words to him were that she wanted attention from boys like why it so weird she told me she wanted to marry him ,why this al of a sudden doesn't she see how lucky she is that someone wants to build a future with her buy her a own house like a couple of months ago i had a crush on that guy i would of dreamed of a change with him then not now but yet she broke up with him that easy with out a reall answer or anything she just wants to hoe around weird i find it strange but also not my problem but i do feel some remorse for him no one deserves that he is dealing with it better that i could of i mean i don't see a point of living or future he does see a future for himself in this world there has to be more going on right like she isn't feeling wel or insecuritys i just don't get it why she would a man like that go to get attention from boys