My Husband Who Is 68 Keeps Having These Aggressive Mood

My husband who is 68 keeps having these aggressive mood swing especially aimed at me for no reason at all for instance I had take toasted cheese out the grill just put it on bench top he went crazy because I left the tea towel on door only on the door for couple of seconds he was fine before that yesterday I went to peel a potatoe because I was doing it over the sink another crazy turn I should have been peeling potatoe into garbage bin I have always done it this way we have been married 47 years he is getting worse