Im currently surfing a bic minimal 7"3 im having trouble popping up. everytime i try to my feet end up in the?

wrong position. i can stand up whilst using my knees but not pop up. shall i just leave it the way i can stand up or keep trying the pop up??? i also find it hard to cattch a wave when my feet dont touch the ground. i cant paddle hard enough. can u give me some tips please i am female. i have been practising popups on land buh wen it comes to the water i cant bring my self to do it. thnx