he doesnt understand me..

haiz,i now staying with my daddy.. i really feel very happy but i've another feeling that i dun dare to tell him.. i dun wan him to be sad bcoz of me.. whenever he & my step-mother laughing and smilling at one another, i feel really very extra in the family.. but i could not understand why i cant treat her as my "mother".. she really treat me very good but i treat that she just trying to get close to me and take away my mom position in my dad heart.. until now i still could not accept the fact that she is my step-mother.. whenever i step into my dad room i saw their pic hanging on the wall that make me drop tears.. but i still smiling just to make my dad happy.. i hate that every where i go i saw her pic.. in my dad room, in my dad hp & also in my dad laptop.. i gonna gone crazy very soon.. he give me everything that i wan but all that have no meaning without his love.. she broke my dream.. dad, u broke my heart..