Working life is never simple once you have children. And even though we would all rather stay home with a sick child, the truth is we don't always feel like we have the choice. Which then leads to some agonising decisions about whether or not they are too sick for day care. Sarah Hunstead is a mum of two and founder of CPR Kids (cprkids.com.au). She outlines when it's okay to send your children to daycare, and when you have to keep them home.