You could do side bends or sit-ups....

Knowing that I was having a slight midlife crisis, my wife looked lovingly into my eyes and said, "When I look at you, I think of a song."

Instantly I thought of "You Are So Beautiful" or the more contemporary "SexyBack". But after running those two songs by her, she quickly said "no, the Sir Mix A Lot song 'Baby Got Back'.”

Seeing my confusion, she quickly followed up with ”because when I look at your hair I think, he's got little in the middle but he's got much back. Wa-Pish..."
(I thought the whipping sound was a bit too much...)