Complex sentence: Another negative character trait of Greg is his paranoia, which seems to get the better of him, such as in, where he is worried his old doll, Alfrendo, will come back to haunt him.
Split into simpler sentences: Another negative character trait of Greg's is his paranoia, which seems to get the better of him. An example of this is shown in, in which where he is worried his old doll, Alfrendo, will come back to haunt him.