Close your eyes and image you’re in the ocean, just past the breakers.  As you stand there, you feel the swells lift you up, pass around you and set you back down.  Each swell sets you down inches closer and closer to the breakers even though it feels like you’re lifted straight up and down.  Eventually, you may find the swell shoving you forward.  Or breaking on top of you and churning you like a washing machine before dumping you…