<prompt> Human: My friend approached me the other day needing a cosigner for a new apartment while hes in school. Im not really worried about him being able to pay. He has grants, loans, etc and is the most frugal person I know, by far. He says he already has all the cash to pay for the full 12 months. What Im really worried about is what effect this will have on my credit. My credits not amazing currently. Around 650 and building. Anyone have any insight? Thanks!Edit: everyones basically telling me not to but no ones telling my why. Assuming hes a standup guy and is never late on payment, could there be any other negative repercussions?Assistant: Dont. Good friends become assholes after you co-sign on something potentially and it will only fuck up your credit.Human: Sounds like a couple wild accusations. Have any proof?  <response>: People come onto this subreddit weekly asking for help after their friendfamily memberacquaintance screw them after co-signing 