His music changed the world, but he also introduced us to Linda. She was a photographer, musician, animal rights activist, vegetarian, advocate and entrepreneur. She took a stand for many things before it was trendy to do so. A lot that we have today is because she took up those causes 50+ years ago. Paul said in an interview he cried for a year when she died from cancer. This is sung from Pauls POV in struggling with her leaving him the way she did along with my thank you for the two of them.