Today I went to a memorial for a 7 year old who died in a house fire. It was very hard to go to. I felt sad most of the day and depressed even broke down into tears. Now I am singing songs watching netflix and being happy. I dont like myself for it. So what I am wondering is could be bipolar or some other type od depression because it doesn't make any sense how i am happy one minute and totally breaking down the next. Any input would help