Can I ask my sister-in-law to remove her shoes?

Our reader wants guests to remove their shoes. Her sister-in-law refuses. Anne Robinson tackles a surprisingly thorny family dilemma.

An Illustrated woman with her shoes off walking
Emanuel Wiemans
Saga river cruise ship Spirit of the Rhine in Koblenz
Win an all-inclusive Saga river cruise to Germany

Your chance to win a 7-night cruise for two on board Spirit of the Rhine, worth more than £4,000.