re-reading this thread makes kiting sound suicidal. it's not. there is a risk (as in biking) but that's where you get the pleasure from. it's technical, it's physical, it's inclusive (most people can get to grips with it, though not as much as biking, admittedly)
kiting on your own ain't clever.
kitesurfing when you can only "swim like a cat" ain't clever either.
don't go further out than you would be happy to swim in (preferably not as far as that)
if you're a bit worried about conditions, that it might be a bit much, stay on the beach and watch others for a while, then if you still don't feel good. sack it off and go for a bike ride.
get lessons. get insurance. You'll love it. nowadays I have real trouble sitting still in the summer when the trees start swaying under the wind.