I don't know how far your relationship has gone physically, but if you feel that you truly love this man and you want to show him your heart, pick a quiet moment together when you are both relaxed and feeling close and when he has your full attention look him in the eyes, gently hold his hand and take it to your lips and kiss his open palm with as much love as you can. He may be a little taken aback first but he will be very clear of your feelings. Try it. Men love to be loved, don't we all....