What does my gf think of me ?

me n my gf hv been together for like 3 yrs nw ... i respect her a lot ... n i neva had physical contact fr an year or so . thn she initiated phy contact by kissing me .... i liked it a lot .. n thn l8er we started to smooch .... nw i asked her directly if i can touch her breasts .... can anyone temme wat do i do ? she dint tel anything wen i asked ... ? does she think i am a despo ?