Well, mate, if you're playing hide-and-seek with your extracurricular activities, just remember, the missus might have a nose for trouble sharper than a koala's claws. She could be onto you faster than a 'roo on a trampoline!
And when it comes to the money, well, you know what they say, "In a marriage, it's not just your wallet, it's our wallet!" So, if you're dishing out more than you should, she might give you a good old-fashioned Aussie earful. But hey, it's all part of the marriage adventure, right?