"Hey, no comments about how hot my g-- friend is while you're in her body. That's just weird and gross." Someone --maybe the blonde sherrif? -- had suggested that Robin might be possessed by a restless spirit rather than a demon. Ted didn't care, as long as it was something that they could get out.
"And we prefer to keep them both. What gives you the right to invade someone else's body anyway?" Not that Ted gave a damn about Evan's tragic backstory, but Dealing With Villains 101 was all about getting them distracted monologing. If Evan was talking, maybe he wouldn't struggle so much.