My girl cheated on me,im trying 2 forgive but she not putting everything on the table.?

first thng first she really,really broke my heart im still in pain,n all i ask of her be honest n put everythng on the table,she saying wht good tht would do,for me it would show me u want to move foward n get this behind us,but she wont tell me his name r nothng.first she lied about his name n where he be.i ask her anythng its like she hidden somethng.she always thking im doin somethng goes threw my phone emails,facebook n follow me sometimes.but if i do tht she get real madd..r say i cant have no man tht stays on me like tht..act like the world coming to n end...i love her n her kids.but she's sneaky expectally whn she talk to her girl on the phone its a big secret.saying just girl talk,i didn't want to talk around u.we was in the car...but whn someone call me,who's tht,answer ur phone,who ur texting..she dont treat me the way she want to be treated..its alot more but u get the point..what should i do? i love her but she really act like my feelings don't matter..i don't want to keep goin on like this..Wher i go fro here?.