German Nanny (fluent English) starts next month 4 days a week (8-6pm) and I think it's a great opportunity for kids to learn German. They are 3 and 1. Nanny said she was happy to do so during interview. I have very rusty conversational German and also plan to practice my German. I would like her to only speak to kids in German from day 1 and read German books, sing songs in German, watch German cartoons on iPad etc with the aim of them having a good understanding of the language this time next year, rather than just knowing colours etc. Anyway DH thinks it's crazy and kids will be very confused etc. He vetoed putting this in her contract and doesn't see having a second language as a priority whereas I feel really strongly about it... Just to be clear I didn't deliberately hire her because she is German, we liked her and it was an added bonus. Who is BU?