Grief is a bad moon a sleeper wave. It's like having an inner combatant a saboteur who at the slightest change in the sunlight or at the first notes of a jingle for a dog food commercial will flick the memory switch bringing tears to your eyes.
Core strength and stability is very important to me. Tennis is all about rotation of the body and my ability to create power. I incorporate a lot of abdominal back and glute exercises into my gym sessions.