Answer:
Cheer them up! Try not to bring why they are depressed into whatever you are doing. If they don't want to or just want to be alone, just let them. Everbody wants to be alone sometimes.
Answer:
This is a question for your self
Not taking good care of themselves. Not being active, poor hygiene, bad diet, weak immune system etc
I think it might be Atari or Nintendo nes. or maybe Mario or pong. honestly I am not 100% sure what they mean by "mainstream appeal"
