Your soul's purpose in this world is to serve God. That's why it was given a body. This purpose implies that there is a foundational commandment in the Torah that many of us may be neglecting. The soul is like an astronaut in a spacesuit. Is an astronaut concerned with maintaining his spacesuit?

In the interest of proper credit, some inspiration for this teaching came from this page. Beth Immanuel does not necessarily endorse everything on that site (which appears to be from a Breslov perspective).