Thought I had posted already saying it was about right without a longer explanation, but yea.
Two people together for over twenty years (19 to 41), averaging sex once per day for most of that (with early years averaging more than once per day, last few years and a few in the middle with the average going down to less). Add in other partners over some of that time as well, with averages from twice per month to four times per week.
20x365 = 6130, ++