©2012, Social Signals, LLC | socialsignalsED.com 38 Being able to identify and understand different types of relationships, including friends, acquaintances, strangers, community helpers, girlfriends, boyfriends, and best friends, is an important part of developing healthy relationships. These concepts are taught to ensure a solid understanding of all types of relationships, before students make new friends or venture into potentially romantic relationships. Lesson 3 Relationships