Thank them for something they did for you that day.

Initiate a random act of affection

Clear the slate, apologize to your partner if you have done or said anything that upset them

Indulge in a sensual kiss (must last at least 10 seconds)

Compliment your partner (see 10 ways to compliment a man)

Talk to your partner for at least 30, uninterrupted, minutes

Bonus: Do something romantic for your partner