Long separations had exacerbated his natural feelings of inadequacy and insecurity. Lack of encouragement or ability to excel lead to "feelings of inadequacy and inferiority". Common themes of mood congruent delusions include guilt, persecution, punishment, personal inadequacy, or disease. They experience discomfort and feel inhibited in social situations, overwhelmed by feelings of inadequacy. Shelden speculated that Orwell possessed an obsessive belief in his failure and inadequacy. He applies psychoanalysis to explain the feelings of dependency and inadequacy that black people experience. These feelings of inadequacy are projected onto the victim. Their inadequacy was evident from the start. There is an inadequacy of existing regulatory mechanisms. Another structural problem is the inadequacy of irrigation. After initial inadequacy, food rations became more sufficient. Logistical inadequacy once again hurt the Indian troops. It was an epic of English colonial cruelty and inadequacy. In 1970, they described their therapeutic techniques in their book, "Human Sexual Inadequacy". Anka was briefly mentioned by Marge in "Grampa vs. Sexual Inadequacy".