It's called depression ,aversion to work , company, annoyed, and forgetfullness,it needs medical attention and counciling, some times serotonin levels rise or decrease in brain causing such symptoms, Banana is best source for serotonin precursor should be added to food if not diabitic, a daily walk is also so much benificial, First and the most important thing is this that one has to realize that he is facing depression if he developes such behavior and life style, depression is the culprit for these thoughts and it's very very curable,