One should sell a service to cover gifting and pleasantries required during human mating ritual.
Basic coverage would, after monthly premium, cover reminder service, selection, and purchasing of flowers on each date, gifts on birthdays, anniversary reminders, and occasional makeup gift in case of fights.
Extended coverage would cover 5-yrs, 1000 dates which ever comes first.
Premium package will cover all holiday gifting, party logistics, in laws, and up to 2 babies.
Ultra premium package will cover gifts, necessary "make-up" acts, or "get-him/her-back" necessities, in the case of infidelity or extra-relational activities that are deemed unacceptable (see details on page 101)
Comprehensive coverage. All of the above, but covers in reverse (so, it buys flowers for your date to gift you), and in case of infidelity, covers bribery fees to keep the other side quiet and away.
If I could implement this... I would probably be very very rich...
(Or broke, on failing to account for human greed and lust properly)
sigh.
