A). If you get sick, you have a weakness within the immune system that causes you to have the symptoms of the illness as the white blood cells are failing in getting rid of the illness itself.
Answer:
Bro, i have terrible anxiety!
Explanation:
Just be friendly, kind, helpful and a good friend. This will build friendship leading to a person trusting you more. Maybe share a smallish secret with them as well.
You don't really see what type of dangerous situation but since you asked a dangerous situation you could do is a stunt motorcycle guy that rides his motorcycle over a pool of sharks. Or a man who wears red in a Bulls arena to get the balls attention but he risk dying if he gets punctured by one of the bulls horns. Or another dangerous situation could be someone entering a monster cave. Or another dangerous situation could be someone meeting up with a Stranger online. There's just so many situations