I've been happily married for 18 years, and I very much agree with what you have told several people about the importance of touch. Telling my wife I love her or kissing her whenever I leave the house or come back home are great, but when I'm passing by and just touch her on the shoulder or touch her on the foot as I walk by seem to get the biggest smile out of her.
Every night in bed we are either touching feet or just have our hands resting on each other. That's when we feel the closest (other than love-making), and the most secure. Sometimes when we are watching television, and I'm in our comfy chair and she's on the couch, she'll touch my foot, and it makes me feel awesome.
So, every time you tell someone about the importance of touch, I want them to know how wonderful it can make you feel.