Wear your heart on your sleeve;

For You, so it can be easier to be able to wipe YOUR tears away.

For when someone else needs a shoulder to cry upon,

your heart is right there, to wipe HER tears away.

For when you have to get dirty,

You can roll up your sleeves and keep that part of you clean.

If your heart is worn upon your sleeve,

It makes it easier for you to put your heart to your head, so YOU can listen to what your heart has to ...