I'm having an issue with my 2012 MacBook Air where the computer gets super hot, the fan constantly runs and the battery drains really fast. It's very annoying and sometimes I only get 1-2 hours of battery life. My storage space is low right now, which I'm thinking could be a reason for this happening. But only about 2/3 of the space is being taken by my stuff; the other 1/3 is being taken by the "other" category and I can't figure out what it is. Any help or advice is appreciated 