Read your post again. It didn’t make any sense, and proved my point.
What you are saying is precisely the point. If you cut your arm, the nerves send signals which cause neurotransmitters to be released which result you feeling pain. Similarly, if someone has inflicted emotional “cuts” on you, then it causes neurotransmitters to be released which make you feel emotional pain.
And the same way you would never think of ignoring the cut on your arm and blaming the pain on neurotransmitters, you shouldn’t do that with emotional cuts either.