Step away from the time machine.

Everything considered, it's probably not worth it. You love your family and you love your friends. Do you really want to leave them behind?

Things are tough right now, but they won't always be like this, right?

You walk away from your time machine and go on with your life as if you hadn't spent the last couple of months or so working on it.

Every now and then, you'll probably think about the time machine you've hidden away in the spare room. Maybe you will end up using it someday, but for now, you're just going to make yourself some [PREFERRED BEVERAGE], sit back on the couch, turn on the TV, and-

"Breaking News! A horrible tragedy has occurred in-"

...Remember why it is you wanted to build a time machine in the first place.