Here are a few articles you might enjoy:

Here you will find more information for couples, from Lara Willing Psychotherapy.

Romantic Gestures for Everyday Life

How Conflict Can Improve Your Relationship

Being an Effective Listener and Skilled Speaker

Feelings Inventory from NVC

If you’d like to learn more about the 5 Love Languages (Gary Chapman’s work):

Five Love Languages

If you’d like to learn more about attachment theory and your attachment style, you can take this quiz:

Attachment Style Quiz