The mouse (2)

Question: Jerry had a wife that will always delete the pictures of mouse from Jerry's phone when Jerry is asleep. 1day, Jerry saw a mouse and he wanted to take a picture of it. After taking the picture, he went Asleep. Why can he still see the picture next morning?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: During what month do people sleep the least?

Question: When is 99 more than 100?

Question: What can be broken but never forgotten?

Question: Surrounded by life , yet life is its biggest enemy. But without life there is no need for it to exist. What is it?