To hear I love you is a beautiful sound - also for men. For girls it's normal that their lover says I love you, but for men it often remains an open wish.
To say these 3 magic words of love is vital for every relationship. However each and every "I love you" also needs to be followed by instant and full prove of the words.
Millions restrict their "I love you" to written or spoken words. Again and again - often all life long. Yet sooner or later words are far from sufficient in a true love relationship. Millions of "I love you" still will result in divorce or inner / outer separation if true prove of love is missing. Action of love are needed to create the feeling of being loved. Words never can create that feeling. Words are food for the human intellect. Words prepare for the instantly following action of love.