help

so yah i havent because writing since i got together with my first boyfriend named alan. hes pretty amazing and hes just like me. we got together 3 days after my bffs bday it was 8/18/10. well yah im writing this not to brag or whatever i just want advice. he kinda broke up with me a month ago 11/2/10 and i have no clue why. and in this last month im more depressed more well nothing like my normal self. i feel stupid writing this too but yah even on my birthday i wasnt really happy. that was just two weeks after. and well idk a day after he broke up with me he went out with this girl named marilyn and ive been telling myself im happy for them and i hope hes found the one. i got that i accepted the inevitable. its just everyday seems to get worse and my heart breaks at the meer thought of him... someone help me please