Is there any age difference that makes a sexual relationship btwn adults inappropriate?

Gunce • Mon, Jul 27 • Head of Research at Glow. Unwilling infertility expert. 2 kids after 4 years of infertility treatments.

Is a ten year gap too much? What about twenty or thirty?

For example, what do you think when you see a 75 year old man married to a 25 year old woman?