Healthy Boundaries in Female Friendship Healthy boundaries in female friendships vary by age and developmental stage.  Here are examples for different age groups:  Elementary School Age  1. Personal Space: Understanding that it's okay if a friend needs some time alone or doesn't want to share certain things.  2. Sharing: Respecting when a friend doesn't want to share toys, snacks, or personal items.  3. Play Preferences: Respecting each other's likes and dislikes in games and activities.  4. Time Limits: Understanding that friends may need to spend time with their family or other friends.  Middle School Age  1. Privacy: Respecting a friend’s...