Are you an old man? Do you fancy dancing with attractive younger women? Well, Mister Inappropriately-Dances-With-Girls-Half-His-Age-Guy, Jax Grill (1613 Shepherd) is where you need to be. Most people know Jax Grill as a family-style neighborhood restaurant offering up an eclectic mix of entrées because, well, it is a family-style neighborhood restaurant…