Shut up. Get up; dust yourself off, take it a minute at a time. - You’re NOT dead, your son is NOT dead, your mother’s NOT dead - in fact, she may have more practical survival knowledge than you give her credit for. So may you, as well. Take this as an opportunity for a second chance to teach your son lots of important stuff.
Bite me.
Some people need modern medicine to live. If the SHTF, a LOT of people are dead.