Never discredit your gut instinct. You’re not being paranoid. Your body can pick up vibrations, some better than others, and if something deep inside you says something’s not right about a person or situation, trust it and keep it pushing.
All of Robin Williams’ greatest roles were about trying to reach people, getting through to them, listening and understanding what they are going through. His best roles were those of the mentor, advisor, listener. Most of his films had the ultimate message that there is no shame in asking for help, and that there is only honor in giving it. Please remember that part of his legacy. Remember that depression is a serious, terrible thing and that no one should have to go through it alone.
Listen to each other, help each other, love each other, goddammit.