1. Go to the Gym Together Breaking a sweat in the gym is a great prelude to breaking a sweat in the bedroom! After your workout, take a break at the juice bar to people watch. Find the biggest, strongest person and punch him or her in the face to show your partner that you’re not afraid of anything — except a comfortable yet boring marriage. 2. Spice Up Game Night Instead of the usual board games and takeout, surprise your husband by making him solve a series of increasingly difficult puzzles to escape from a human-size birdcage. Decorate the…