How do I prepare for the suffering which comes from getting out of the comfort zone again?

For a few years, I had to push myself constantly to get out of my comfort zone to move abroad and it was very stressful. I've enjoyed comfort for a few months, but now I need more from life and it's killing me. On the other hand, it's really good to enjoy comfort. How do I prepare myself to be stressed out and suffer again?

How do I prepare for the suffering which comes from getting out of the comfort zone again?
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