Assumption (i) is extremely dubious given that one-night stands are fairly common.
I think it is possible that humans are bimodal about this. For some, sex is a strongly emotional, for others not at all. (Or maybe even for the same person it depends on circumstances.)
And the conservative rules about chastity are partially about pregnancy and diseases, but also partially to prevent people who create deep bonds from choosing partners who cannot reciprocate.
I think it is possible that humans are bimodal about this. For some, sex is a strongly emotional, for others not at all. (Or maybe even for the same person it depends on circumstances.)
And the conservative rules about chastity are partially about pregnancy and diseases, but also partially to prevent people who create deep bonds from choosing partners who cannot reciprocate.