But if you stay silent when you discover what you said wasn't true i.e. let #NoDealBrexit happen, that's just as bad as lying. The country will never forgive you.
Family dinners are going to be so lovely!
You could do the logical, patriotic and democratic thing and recognise that the sovereignty-restoring, EU-UK trade-protecting, smooth Brexit you voted for isn't represented by either Deal or #NoDealBrexit, and campaign alongside your compatriots to make MPs call a referendum.