Me and my sisters were so awful. One nanny, we loved, but we hacked her email and sent her boyfriend lots of weird messages, and we once actually locked her in the toilet, too.
I cannot guarantee anything.
You just try and do as much variation and as much difference and as much as possible, so you put yourself out there to try anything, really. As long as you feel you're going to get something out of the experience, it's all worth it.
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