I had several peak physical conditions so far: 8-10 yrs old.
   16-18 yrs old 29-33 yrs old. Peak mental condition? 11-13 yrs
   old 27-30 yrs old A brief stint in my 30s 40- yrs old so far
   [I'm 43] Hopefully it will continue :P The times inbetween? Meh.