Lois Lame
Well-Known Member
I'd say" thank you for the offer to take him showjumping. If I decide I want him to do showjumping and need a rider you will be my first call".
I think this is very good. It means you've made the decision and any further, "Oh but what if I... " from him is irrelevant.
He's probably a perfectly nice guy but that is not the point.
Even if your horse is insured for all things, you would still be out of a horse if something went amiss. And the right horse is not easy to find. Stick to your guns. You don't need to give reasons.