Write about a person admitting they were in love with somebody. How do they do it? What are their thoughts before, during, and after the event? What happens? Does the other person reciprocate the feelings? Are they too late?
Write about a love potion. Who obtains it and who do they use it on? Themselves? Someone else? For what purpose? Describe what it looks and tastes like. Does it work? What problems arise, if any?