Jerry Downing is an underdeveloped up man who is viewed with suspicion by his flatmates because he doesn't have a job. His passive voyeurism of watching television is seen specifically by Rachel as demonstrating deviant behaviour. But his stasis is countered by the activities of Kerry and Julia.
In the first of three tests, Kerry tries to pull Jerry out of his passivity by inviting him to go salsa dancing. He turns down her offer, but invites her to try again another time.
He is then encouraged by Julia to find a full time job so that he can find his partner in the workplace like she did. He rejects her advice, bound to his sofa and looking up at her like a little child. She senses that there is something wrong, and responds by externalising some of her own buried animosities.