[mcvbqyjp] Is homosexuality rational?

Enumerate and quantify the societal barriers a given person faces in achieving a fulfilling heterosexual relationship.

Similarly for homosexual.

Is there correlation indicative of a rational choice of sexual orientation to maximize utility, that is, people who face greater barriers to a fulfilling heterosexual relationship are more likely to be homosexual?  If so, it would be surprising, because most people don't think they are making a choice in their sexual orientation.

If true, it suggests the structure of society influences sexual orientation.  But it might be tricky to determine the mechanism of causation, or even the direction.