How to Make a Velvety Green Smoothie

I know a secret.  You want your daily morning smoothie to taste like a milkshake.  You want the sensation that it coats your mouth and throat with creamy goodness.  It's so creamy, that you have to swallow a second time and possibly drink some water so your milkshake-healthy-smoothie finally leaves your mouth and warms your stomach.  And then that velvety sensation makes you want to take another sip.