Exactly about Happiest Partners in Study Have Sexual Intercourse After 60 The happiest gents and ladies in the usa are maried people who possess intercourse often after age 60, claims a written report because of the Rev. Andrew M. Greeley, the sociologist, priest and novelist. Thirty-seven % of married individuals over 60 make love once per week or even more, and 16 % have sex many times a week, Father Greeley noted in the report, predicated on two past surveys involving an overall total of 5,738 individuals.