Possible Clues:

• Household troops, at the time
• Workers get on with the household
• Family in which the females stay young, presumably
• Chaps mature as members of household
• The Establishment puts years on people
• Household in which people get on
• Such an establishment will put years on people
• Blokes get on in family group
• People have to get on - they live together
• A household where people get on