You cannot love without giving though you can give without loving. Couples must constantly practice the act of giving in order to improve and spice up their marriage.
“For God so loved the world, that He gave His only begotten Son, that whosoever believeth in Him should not perish, but have everlasting life.” – John 3: 16
“And above all these things put on charity, which is the bond of perfectness.” – Colossians 3: 14