The average in europe is 2 years.
Given how they choose to live, I’m surprised it’s that long. Extreme promiscuity was the rule, rather than the exception in the areas I’ve lived with large homosexual populations. Made for a lot of bad feelings among them because they were not actually able to commit to each other. Do a commitment, then in two days, see some other guy or gal. Then a fight, usually a breakup, often a violent one.