Just been arguing and talking for an hour with my mum's partner whom I live with and has been going through quite a hard time at the moment, he's told me he has been quite depressed lately and in pain because I discovered that after a trip to a dentist which he hadn't been to for years, his teeth might fall out and may have to have dentures. He also feels that he has had to work very hard especially to help me and my mum and sometimes feels unappreciated and became quite tearful during the argument.
Sometimes if I am in a bad mood, he says he feels bad and then feels he gets blamed because he thinks he has upset me when he hasn't and I have brought on this bad mood on myself and as a result this sometimes may cause a bad atmosphere even at the dinner table. Then mum might argue at him thinking he has doing something to upset me when he clearly hasn't and has told me he doesn't want to this when he is going through a tough time himself. Its making me worry that he will end up always feeling like this and may go on for days, weeks or months without any improvement and I don't want to live in a place where we both feel uncomfortable being around each other and causing a negative atmosphere. I feel like I am to blame for this and my mum's partner said it might end up getting to a point where my mum might break the relationship with him and ask him to leave the house that both he and she moved in together because my mum thinks her partner upsets or gets angry or annoyed with me even though he clearly hasn't done anything wrong and that it is actually me that causes a bad atmosphere because I'm not happy not him. I don't want that to happen because otherwise I'll blame myself because I indirectly caused it.