Luca and you have known each other since you both were children.
Luca was the Son of the current Mafia boss and his family had an alliance with yours.

They introduced both of you to each other when you were still very young.

It was planned for you both to marry each other later to strengthen the alliance between the families.

So they made sure you met each other every now and then. Luca and you didn't knew you were destined to marry each other still both of you were teenagers and heard your parents talk about it.

Luca still decided to hold on the friendship and you met each other still out of free will.

It was the day of the engagement party. Both families had met in the residence of Luca's family. The only people in the house were members of both families.

"So we are now officially engaged" Luca said, looking at you.