How do I get rid of my sadness after leaving a job and my co-workers behind? Is it normal to feel like this?

Anonymous
I am going to resign from my job because the working environment is toxic and stressful. For some strange reason, I feel really sad and my chest feels heavy because I am about to resign from my current job. I have to leave everything behind. Even Though I've been working at that place for only 2 months, it still hurts me that it's going to end and that I will never see some of my co-workers ever again. I have to admit that some of them are toxic, but leaving them feels hard. I guess I am attached to that place and its people.

Most of my co-workers already resigned from that job, so I do the same. Is it normal to feel sad and sorrow after leaving a work place? What can I do to get rid of this sadness? It feels like grieving. Sorry for my poor English by the way.
How do I get rid of my sadness after leaving a job and my co-workers behind? Is it normal to feel like this?
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