Bug Unity Crashes when I write this code- why won't it work?

Essentially, what I want to do is make sure my "take damage" animation to play fully before it stops. So here I'm trying to wait until the hurt animation ends before I set the took_damage to false. However, whenever I run this, and the thing takes damage, it just crashes the editor. Ideas? Help?

 

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Hi, your code will get stuck in the while loop. Make your takeDamage method a coroutine and add "yield return new WaitForSeconds" to your while loop. With best regards

 

what's a coroutine