It’s just a cultural convention, originating in tradition. Other cultures may handle things differently. For example, in the US (if I remember correctly, I’m not from the US) the minimum acceptable age of your partner is something like half your age minus 7 years.
It’s just a cultural convention, originating in tradition. Other cultures may handle things differently. For example, in the US (if I remember correctly, I’m not from the US) the minimum acceptable age of your partner is something like half your age minus 7 years.