Couples: You could feel like making your partner jealous to spice things up a little, but remember, you could be playing with fire.
Singles: You're in no hurry to be in a relationship and enjoy your own company for the time being.
You seem to have forgotten basic arithmetic %s. A spot of revision wouldn't do any harm.
Doing a little exercise every day will help you stay in shape with relatively little effort. Walk instead of taking the bus, take the stairs instead of the elevator.