The process of marriage for a cat is a natural process, we can not control what time / date / time we should marry, because the female cat has its own lust cycle, so usually we can marry the cat when the female is in a state of lust. As for male cats there is no passion. Males are usually always ready to mate. Here is the marriage stage of the cat.
The stud cat kisses the female genitals.
After that, the stud begins to hug the female body from the back while biting her upper neck. That's when there is penetration, the penis swell so that both are difficult to be released.
The marriage takes approximately 5-15 minutes. After that, the penis relaxes so easily released. Marriage is said to succeed if the sperm fertilizes the egg. The newly mated females are usually marked with a loud scream.
Once done, the female cat and the males cleanse the body, also lick their genitals.
@elmicta