I was going showjumping on Sunday morning, so, while out on Saturday night I happened to comment that I'd better not drink too much as I needed to keep a clear head for the morning, cue, loads of comments about how "You just have to sit there, the horse does all the work." and similar.
I get this all the time, always from people who have maybe sat on a horse once, and didn't like it. I am sorely tempted to take the next person who says it to the stables, stick them on a horse, tell them to point it at a jump, and see what happens! 
Does anyone else find this annoying? Anyone got any good comebacks?