Age distance in dating
Now that we don't need to do that we're going for younger men.
Literally, we are choosing physical attraction over security because we now have options that never existed for us before.
The “half your age plus seven” rule of thumb probably helps you avoid being a creep, but is it accurate?
So maybe there is a kernel of truth the rule, at least for men. Le's research focuses on commitment, including the factors associated with commitment and its role in promoting maintenance.
Also, science only looked at fertility in women up until recently.