what will you do, if....

What will you do, if your body and face change to another people who stranger when you go to home after work?

-How you convince your family, friends, bf/girlfriend that its you?
-How you can back to your home and office?
-How you get your salary or another your mine with refer your id?
how you survive your life for food, for money, for ambition and for your planning?
-What and how you try to return back?

Its not fact, but I just imagination an want to know how people finish that problem, want to see many point of view, see many way to handle it.