12 Signs You're in a Toxic Relationship That's Making You Sick
10. Upset stomach
Digestive stress often comes from anxiety, which is constant in a toxic relationship. If you find that your stomach is often upset after you've been around your partner, or after you've fought, then your sickness is certainly tied to your toxic relationship.
Stress can manifest in your gut, leading to bloating, indigestion, diarrhea, or constipation to name a few.
