Why do woman have to be so confussing

Yes I am a woman who happens to love a great woman but she is so confussing annd hard to keep happy all the time but i love her non the less so guys tell me why r woman so confussin to u and what can i do to beter understand her at times.

Thank you for the great advice and ya we fight now and then and as u siad i think alot of it does have to do with her past and all but i love her and she loves me and after 1 and a half years i think there is still hope and notheing we cant beat i was just lookin to see if i could get a lil help and i did ty very much