All this, because he was scrimping on a bill of less than £100 that he was hoping could wait until next month.
Don't drive one more mile other than to have that fixed. Better yet, have a mechanic come to you.
The wheel could fall off. In the meantime it will wobble which could cause handling problems and ruin a front tire which will cost more than a wheel bearing.
The wheel bearing get hot enough to catch the grease on fire (and the can and does happen). It is possible for the wheel to fall off but not likely.
Bearing can seize, or more likely come apart . . . wheel falls off.......thousands of dollars in damage when car hits pavement........flying tire hits and kills someone......whether you survive dependent on what speed you're traveling when it comes off.