I think you should read the 5 love languages. And practice. And practice and practice.

And also show her your learning by showing her the book.

And write down the nice things you did and review with her.

And ask her what you did wrong, what you can improve upon.

Listen and adjust. No defensiveness. This is the woman you love. Show her with actions. Learn her love languages. Tell her yours.

Heal together.

Another action. Not only will you improve your relationship but you can apply this to all relationships.

Flowers always make people better, happier, and more helpful; they are sunshine, food and medicine for the soul.
unconditional love is awesome!