Some resources include:

Gottman's what makes marriage work

The Five Love Languages - what spouses respond to.

Please Understand Me - determining personal psychological makeup.

Hold me Tight - 'Love demands the reassurance of touch. Most fights are really protests over emotional disconnection. Underneath the distress, partners are desperate to know: Are you there for me?'

Getting the Love You Want - The Imago dialogue is a process which makes it easier to understand our partner, without feeling threatened or under attack ourselves. And for them to understand us in the same way.

Source: Wikipedia