whatever the odd mixture of origins, st. valentine's day is now a day for sweethearts. it is the day that you show your friend or loved one that you care. you can send candy to someone you think is special. or you can send roses, the flower of love. most people send "valentines," a greeting card named after the notes that st. valentine received in jail. valentines can be sentimental, romantic and heartfelt(真心真意的). they can be funny and friendly. if the sender is shy, valentines can be anonymous.