Another Scare

I guess today is just a scary day.  After running into aggressive loose dogs while walking Bombay this morning, I went outside this afternoon to do my homework.  My horse trainer wanted me to ride Lostine before our next lesson and let her know how it goes.  I've told her about the arthritis in Lostine's joints and her pedal ostitis, but Lostine moves so well from the ground without any lameness