Leaving on a jet plane.

When a father leaves home for a few days for work, he packs his bags, kiss the kids and wife goodbye .. and leaves.

when a mother leaves home for a few days for work, she

1. makes sure the kids food are readily available for the next few days,
2. makes sure their logistics are sorted while she's not around
3. makes sure there are clean clothes for the husband and kids
4. prepares detailed instructions on what to do for the husband about the kids
5. packs her bag

and then leaves.