Giving a man your number is ok but it might be smart to take his if youre really interested. Keep in mind there is also the luxury of social media, you dont need to break that boundary if you dont want it.

Can a phone be hacked by phone number?

If you look closely at any article claiming that a phone can be hacked just by knowing its number, youll find that they all have one thing in common – promotion of a spyware tool that requires more than just the number to install, i.e. physical access to the device or iCloud login details.