You can’t fix yourself, so don’t you dare try to fix someone else. People are not projects. Your words will not cure her depression. Your friendship will not erase his anxiety. Their brokenness is not your opportunity to show off how warm and kind you are. You are not an architect, only a visitor to their house. Come to them on their ground level, love them at their foundations, but do not try to renovate them. Leave your pride out of this.