I DON'T KNOW WHAT TO DO ON MY 6 MONTH ANNIVERSARY! WILL AWARD BEST!!!!!!?

ok, so my 6 month anniversary is coming up, but, we just had valentine's day, so for valentine's i did a serenade for my GF, and i got her roses, but now our 6 month anniversary is coming up, i don't know if i should do anything, because since i Just did something big, whatever i do now won't be as special, plus it's a school day, shes 17 btw, any ideas on what to do?