1. You've grown apart 2. You've lost interest in them. 3. You feel uncomfortable in the relationship. 4. You're interested in someone else. 5. You're bored. 6. Relationships aren't for you. 7. The person is overbearing. 8. You argue too much / don't get along. 9. They're unavailable. 10. You're too busy / they're too busy.
