Cards/dice

Prepare a set of cards or a die system where numbers correspond to actions, locations, or durations. For example, roll a die: 1 = kiss, 2 = massage, 3 = oral, etc., for 2 minutes each. Or use a deck of cards where each suit is a type of play and the number is how many minutes or how many repetitions of something. This way, neither of you entirely controls what comes next, which can be exciting.