I do speak Polish, as does my wife :-) And I'm not sure - our son is 3 and speaks both English and Polish without any trouble. I myself only started learning E

I do speak Polish, as does my wife :-) And I'm not sure - our son is 3 and speaks both English and Polish without any trouble. I myself only started learning English and German at 6 and 8 respectively, which I do think is too late to be trully and completely bilingual - like I'm fluent in English and after years of living in the UK I don't think I have much of an accent left, but I don't think I can ever be as good as someone who learnt English from birth.