Keep it safe or give it away

Should you share your phone number to strangers that are online?

Should you share your bank details with strangers?

Should you say what your favourite pizza is?

Should you share your full name to people that you don't know?

I need to set up a username for my online account, can I give my date of birth?

Can I tell people online my dogs name and month she was born?

Can I give out my date of birth online with people?