A.
If the heart line reaches in-between the middle finger and index finger, it means you'll do just anything for your lover. You're gentle and like to show that you care for him/her, you're the type that can handle a long-term relationship.
B.
If the heart line goes downward and reaches the mount of moon, it means you're a gentle person, understanding, and ready to give the shoulder to cry on when he/she's upset.