3 ms·

There's probably no big mystery behind this. For most folks the 30's would be when their number of dependent offspring capable of bipedal motion peaked.

• louhike 12y ago
  As a non-native english speaker, I am not sure I get it. Do you mean they do less things in their 30's because they have children to take care of?
  • Rinum 12y ago
    Yes, that's what he means