The correct answer is gloomy mood.
You can see that Romeo is running away from light, drawing his curtains in order to hide it away completely. He dislikes light and day in general because it means that he cannot see Juliet during the day - they used to meet only during the nightfall, which is why he despises light.
I would think every word would be included but i feel like there is a part of the question missing.... :/
Physically: Yes
Mentally: Sometime no.
Not everybody has killed before. So it really depends.
Some people will reach to depression if they "accidently" killed someone