Here is a way to assure you get sex tonight....
1. Go to a bar
2. Look for a girl that has ordered at least 2 drinks and is by herself
3. Walk over to her
4. Hand her a valentines day teddy bear and smile
5. Ask her if its ok for you to sit down
6. Talk for a bit
7. After the ice is broken tell her how beautiful she is and how you get lost in her eyes.
8. Ask her is she wants to go somewhere else to grab a bite to eat and talk
9. Order food, make her laugh, listen to her problems, and continue to compliment her
10. When the check comes pull out your penis and put it on the table.