It honestly depends. If this is you, or a friend, I would suggest to see a doctor to be sure because they are the only ones that can make a professional diagnosis and provide the best advice.
My input would be: either a coping mechanism or hallucinations.
Either way, it's nothing to be ashamed of and the sooner you seek medical advice, the sooner you can get a legitimate answer.
Answer:
WASNT ME WHO DID IT, I DID TOTALLY NOT KILL UR BROTHER, no jk, i would comfort my friend, saying thats its okay that im here to lean on and stuff
The answer to your question is Calling Names.
36/3s is the answer cause 18x3 is 36 and it is 3 seconds so 36m/3s