I would say to first have a goal of learning proper English grammar. “whose”, not “who’s”.

What is your “home country”? That might make it easier for others to understand where the problem might lie.

Sadness at what, though?

Wouldn’t you have investigated that PRIOR to making such a huge move?

Have you even visited both in person to get a feel for what you like and where you might fit in or feel comfortable? Nobody knows your taste or personality or interests except you.

Wise.

You’re 30 and have 4 kids!?!?!?!?!?

The Netherlands does not recognize dual nationalities.

Because Swiss.