Strip clubs, marriage,and arguements?

well i been with ma baby for 3 1/2 yrs and eventually we been talking about marriage,yeah she loves going 2 randoms places and look at the wedding dresses and guys suites.well honestly she is da only gurl that i have with but she said 2 me that she had b4.well this is not da case in why we argue,is that ma boi eventually broke up a 6 yr relationship and every weekend we go 2 da strip club,cheer him up.well yesterday i was chilling with ma baby and she said that on tuesday she went 2 her girlfriends place cause they gunna do bachelor party,ok i didnt trip about it is common that b4 getting married they give this type of things. but then she said 2 me tha if i ever went 2 da strip club, i stood quiet 4 a sec but then told her no.we argue about it, well she argue saying why am i going 2 those place etc etc. why she have 2 make a hole big deal about me, and she have second thoughts bout getting marry.i really wanna get marry wit her.damn why behaves like that