Included

This is the service of the families of the Gershonites, to serve, and for burdens:  Numbers 4:24.

The first principle here is that service is a family affair.  In the previous verse it says that males 30-50 were to serve but here we see that it was a family affair.  The principle to draw from this is that when we serve it benefits others.  Females included!
Getting up this morning was a pleasure and not a hardship because of the second principle I see in this verse.  Serving God means that God is going to give us meaningful work to accomplish.  The Israelites were slaves in Egypt.  They were used to hard, forced, labor.  God was mindful of the fact that giving them a responsibility would help them to feel productive.
He could have just rained mana down from the sky but instead He gave them the honor of being a servant.  What a privilege to live every day of your life included in what God is doing.