What Am I Riddles

Question: I have keys but no lock, you can enter but not leave what am I?

Question: Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. What am I?

Question: What is often picked but seldom chosen, never walks but can run when frozen?

Question: I give light by night, but not by day, Am wicked but not evil in any way, Wax for the most but always wane, Except when I'm out, I stay the same. What am I?

Question: You have forgotten us a long time ago! And you enjoy the lying show. Accept the greyness and live there. For our color, you don't care. Only as a child, you know That we live in a small world! Inside ...inside your childish soul.