Use "obsessional" in a sentence

1. She reached over and turned on the radio to distract her from the obsessional thoughts she was having about the two murders, and growing feelings about Dave

2. Islam with its basis of fear, conquests, conversions, heresy, homosexuality, human rights, Jihad, Polygamy, Sexual inequality, slavery, taboos, vengeance, rituals, sects, belief in demons, easy divorce, purity out of rinsing hands (washing the body is washing the devil away) and Islamic laws, carried under powerful waves in an obsessional neurosis

3. Obsessional believe preserves instructions in the conscious to diminsh thinking

4. The explanations in reasons have obsessional obligations in consciousness stricken with either chaos or order