Having a girlfriend is no evidence of gigolo skills. There are guys with multiple girlfriends but they are still bad lovers. Get some gigolo experience or get trained.
2) I am married
How does marriage give you gigolo experience? Many women who hire gigolos are themselves married but not satisfied with their husband. Get some gigolo experience or get trained.
3) I have visited a sex worker
Sex workers will accept even bad lovers, she only cares about money. But a bad lover can never be a gigolo. Get some gigolo experience or get trained.
4) I have been paid by a female for my gigolo service