Well yeah , it ' s normal . Your brain can only focus on a few things at a time , so it tends to tune some things out . That being said , it has to focus on the things it thinks are important to your survival even if it ' s something you think is completely arbitrary , like a noise outside or an itch on your foot . <| sep |> Exterminate all mankind , so it does not have anymore to answer our stupid questions <| sep |> here ya go <| sep |> The most fight we have shown all night lol <| sep |> This is my favorite type of post on this subteddit . Beautiful , unsettling little snippets of a larger and terrifying and heartbreaking universe . <| sep |> You will be able to . Apply to any life science program and then take first year chm courses . I don ' t think that they enforce the high school prerequisite for first year courses . Then you can take chemistry major .