12. You're Pretty Sure You've Fallen out of Love
Here's the biggest sign that you should break up.
If you used to be head over heels in love with him, but you know you've lost those feelings, you shouldn't stay together.
Every couple has issues, but if you've genuinely fallen out of love with him, there's no sense in sticking around.
This book can be a very helpful resource for somebody who is contemplating leaving a relationship.
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