I think Carmine is right about the feel.. If you watch instructors, you see that most have a little body action that is related to there counting.
Maybe a skim through these tutorials will give you a little help picking up the feel..
http://www.guitartricks.com/lesson.php?input=14572
Essential Rhythm Guitar: Open Chord Keys and Strumming Patterns
also try relating to dancing
Good luck and keep on Strumming