Wear your iPod to the barn. Have your earbuds in while you groom. If she strikes up a conversation, when you're ready for the conversation to end, just smile, say "Good to talk to you." and put the earbuds back in. If she continues to want to talk, make an exagerated production of hand gestures, etc. before taking the ear buds back out.
Don't be rude, and be pleasant to the woman when you do talk to her, but do take control of the situation. If what you enjoy about the barn is quiet time with your horse, it's perfectly reasonable to take steps to ensure that's what you get.
Last edited by maura; 11-28-2010 at 03:38 PM.