Covalent Bonding (Clingy Girlfriend)

Ever had that one girl? Wants to SHARE EVERYTHING. Me neither. #foreveralone. Anyhow covalent bonding is that girl. This girl:

The simple way to put it... Both need a full outer shell. They have to share an electron. CO-valent. Co-operate. See a link?

as you can see they both want a full outer shell so share. Their mothers would be so proud.