Am i drinkin too much?

im 16 n i think im drinking too much. during the school i would drink friday sat n sunday with my friends. sumtimes thursday. oh n also smoke cigs. dont do drugs. now that its summer ive been drinking every day n smokin alnmost every. n about a third of all the times gettin drunk. rite now im in spain for vacation with my family n i havnt drank n smoked for more than a week.. i feel fine. but i worry im headin down the wrong road. i have great grades n am a good kid but..