I skate goofy but can only ollie regular?

Well i skate goofy but i can only ollie regular..most people say i should skate the way i can ollie..but isent learning to skate switch hard? my freind says i should just nollie What should i do i love skateboarding but i have this major problem..And ive tryed skateing mongo its harder than trying to skate regular..i just dont know what to do someone help me.