A good friendship is built around trust. It's what makes friends feel safe sharing their thoughts and feelings. This is most relevant when we're talking about lifelong friendships. Where trust is so built into this type of relationship. The people you've known even before you were fully a person yourself, growing and developing as individuals and as friends. As you grow, this sort of trust can be the force that keeps friendships alive even when life gets busy, and having a person you know you c…