Good Riddles

Question: I am a thing, when I look at him , he looks at us!! who am I???

Question: What always murmurs but never talks, Always runs but never walks, Has a bed but never sleeps, Has a mouth but never speaks

Question: what does 1+1=.

Question: I live in the dark, I have no heart and I'm just like jelly, if you touch me I'll stung you. What am I

Question: I have no heart Yet I can live Even if I have fallen Fires are my enemy You are my enemy