I suppose you did leave in order to become an economic migrant working night shifts in a factory in provincial England.
Change "I suppose" To "I lie" and it would be correct as you well know I wrote many times why I left and what I do in England.
has been offered a decent salary from Poland
I wouldn't call it a decent salary, you also forget that he has a family to support.
It's obvious that there was nothing in Poland for you
You wish they paid you for lying don't you?
And yes, Poland is a great place to live.
Of course it is, it finally has a great government.