I'm from Poland but I moved to england when I was about 9 and I'm now 28. I often speak to DS in Polish and DH is being very funny about it. He's only 6 months old at the moment but DH is insisting it will confuse him in the future and may put him behind on learning to speak english so he should learn polish when he's older if he wants to. Surely it would be so much easier to learn both from a very young age. It would also be nice because a lot of my family don't speak english or only know a small amount, it would be lovely if he could speak to them.