While a positive-vibes-only attitude might sound ideal, it’s not always realistic.

Life can be challenging, and experiencing difficult emotions is part of being human.

But when negative feelings take over your mind, they can take over your physical health, too.

woman jealous of texting friend

“The body tends to react to mental stress as if it was a physical stress.”

That might be why feeling sad can cause fatigue or anxiety can make muscles tense up.

Sometimes, our emotional state might even make us sick.

woman in blanket blowing nose

But can jealousy really make you sick, or is the green-eyed monster a harmless friend?

As psychiatrist Dr. Leela Magav toldPureWow, “Mild jealousy can be healthy …

However, unresolved jealousy that festers over time may eventually wreak havoc on your physical health.

woman on sofa journaling

Psych Centralexplains that jealousy can trigger a faster heart rate, shakiness, and nausea.

That queasy stomach can even result in vomiting, clinical psychologist Dr. Joshua Klapow toldElite Daily.

To manage jealousy,Healthlinesuggests pinpointing the root cause of your feelings to uncover a hidden need or desire.

That can help you make the necessary changes to get what you want.

Practicing gratitude for what you already have can be another way to relieve jealousy while also reducing stress.