Things You'll Need
Instructions
Courtship and Kitchens
Give gifts to the girls in town and make one of them fall in love with you.
When a girl has a pink heart, indicating true love, it's time to work on your house. You'll need a kitchen to get her to consider you.
Once you have a kitchen and a girlfriend, visit Rick's Shop and purchase a Blue Feather. This is like an engagement ring in the game.
Use the Blue Feather on the girl of your choice. She must still be in love with you.
On the next Sunday you'll be married. This unlocks a lot of future content, including children.