Ok Tigerlily -

This is now a hair-on-fire emergency. You need a job, like, yesterday.

As for your R with him - now is not the time for "I told you so" or for sermonizing about how this is why relationships should be sacred. This is just the time to show him that you are a rock in time of troubles, and that you can pull your own weight.

It's a scary pressure for a guy to be the sole support of a family. Show him that if he sticks with you, the two of you together can make it.

Bring him a bare-bones beans-and-rice budget showing how long you can stretch that severance pay if careful. Show him what you can cut (cable?).

COBRA your insurance! I know it costs a lot, but you cannot go without. Or apply TODAY for new coverage while we are still in the extended Obamacare open enrollment. Since you are unmarried and have no income, you should be covered for free or almost.

Since he won't need to take the car to work everyday, arrange to take the car to go on job interviews yourself. If you get a job, you can arrange to buy a beater car with your first paycheck. Your goal is to apply EVERYWHERE possible - blanket that town with resumes and job applications.

Regardless of what happens with him - whether he gets a new job or sinks into a depression, whether he stays with you or goes to the OW - YOU need to be able to take care of YOURSELF and your son. No more dilly-dallying around - you need a job and a car. Period.