I have been disappointed in the past with different products I ordered, so very hesitant to order the Heaven Patch. When I see a person with a frown on their face, then use the product and they're all smiles I am skeptical. Due to my constant and growing knee pain, and after passing on your ad many times, I decided to give it a try. I didn't have great expectations, but ordered the patch anyway. My order took awhile to get here, but applied it when it arrived which was late in the day. About an...