^Except when it comes down with not real people.
Bold texts: Nevermind.
Assuming that:
Delvin: Martha, ever since we were in High School... I already feel something for you.
Martha: Yes Delvin, I know what you mean, the same here.
Delvin and Martha: I LOVE YOU WITH ALL MY HEART.
Goes to several good dates be it good or bad they still withstand the trials then proposes, goes to all preparations with work and stuff, goes to the church, wed, vowed to love each other forever, work for their future with faithfulness and for their incoming kids, both had sex one night, then have a child or children (if twins), giving their child/children good training till he/she/they (all) grow up as a good human, tasks him/her or them and putting their business into their shoulders with training and stuff... One of the two dies but at least they are true to themselves and then the remaining spouse lives life faithfully with further training his/her child/children until his/her turn comes.
THERE! That should do it! That's a good married couple. A model for all.