Originally Posted by Fayewokf
Maybe the more I rides will relax?? I'm not scared or nervous.. I wonder why I'm so stiff and have tension
Well I found that you have to actively tell yourself to loosen up because it's a very natural reaction to be tense and stiff when you first start riding a horse because a horse moves around instead of a car that just kind of stays put and is turned via steering wheel.
The horse moves which moves you, sometimes in a way that feels like your'e being flung around. Your reaction is to tense, to absorb the movement but you do it in such a way that it kills the horse's energy and/or causes the horse to brace.
So you need to loosen up, follow the horse's movement, pretend he is made of sand and sink your seat bones into him, and just enjoy the ride.