CLEAN : London's theatres still open for business but shutdown fears loom

The speaker discusses a personal situation involving their wife's location in New Jersey and Mr. Harfield. They express a desire to resolve the situation in a few weeks and mention actions they plan to take, such as washing their hands once the situation is resolved.

What is the significance of the phrase 'in a few weeks time'?

What does the speaker mean by 'normal shells'?