Sister Missionary Series: What was the most difficult change to make while serving a mission?

The second question from our Sister Missionary Series:

Check out the other questions in this series as well!

Preparing to Serve as a Sister Missionary Series:

1. Introduction

2. How did you decide to serve a mission?

3. What was the most difficult change to make while serving a mission?

4. How did your mission strengthen your relationship with God?

5. How was your family blessed while you serve?

6. How has your life been blessed by serving a mission?

7. What will best prepare Young Women to serve a mission?