It's lovely when you know you've made a positive impact on someone's life. I have an elderly client who has had a number of lessons and has felt enormous benefit from the work. I'm delighted to see so much improvement in him, and also, it's a pleasure to teach someone who understands what I do and practices what I say. He thinks highly of my teaching ability, and to be honest, that makes my day. He didn't have to pay me more than double for his last lesson AND treat me to lun