I think if long term supplies bottleneck, one would pick for physiology that requires less, i.e. 100lb person consumes ~50-60% calories as 200lb person. Or for

I think if long term supplies bottleneck, one would pick for physiology that requires less, i.e. 100lb person consumes ~50-60% calories as 200lb person. Or for same supplies you get much more brains/work done. Light lesbians with no need to worry about pregnacy fits the bill.