No. 16 is the age that there are no restrictions, besides an authority figure (parent/guardian/teacher/boss). 13-15 can consent, but the other person can be no more than 4 years older. They do that so a high school senior don't get locked up for boning a freshman, as they are peers.

http://en.wikipedia.org/wiki/Ages_of_consent_in_North_America#New_Jersey

I hear ya on 21 though. At this point I wouldn't put any effort in boning a chick who can't designated drive me home from a bar, or pick up beer on her way home from work.
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Thinking of cracked-out and/or tweaking whores getting their throats and asses brutalized for the next hit makes me hard. --Rear Admiral