Answer:
Hi,
It's wonderful of you to extend an invitation to reside in Europe to me. With the complexities of their regulations, I believe that residing in Europe would be quite difficult for me without much research. Another significant point of contention would be the disparate cultures and languages. Thirdly, I feel safe and comfortable in my nation, where I have a large number of relatives and friends. I'm certain I'd want to visit you there and would also welcome your visit to my nation. I miss you tremendously and hope we can devise a strategy as soon as it is safe to do so.
Looking forward,
Your dear friend
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