User blog comment:Dtuck010/Theory why Nightwing, Miss Martian and Superboy didn't want to join the League/@comment-198.228.200.144-20120429035859/@comment-99.241.93.145-20120429134905

actually, since martians age about 1 year for every 3 earth years, she should be about 17-18 biologically, not 21.