I would recommend knowing one phone number of a person you trust. Type it in when you call them and you will remember it in an emergency. If you get into a spot

I would recommend knowing one phone number of a person you trust. Type it in when you call them and you will remember it in an emergency. If you get into a spot where you don't have your own phone and get to make one call, you will be very happy to know a number of someone who will help.