Jim fears the secret he told to Michael, in confidence, will be revealed to the staff.
Did You Know?
When Michael tells Jim "my lips are sealed" about keeping the secret, he sings the titular line from the song "My Lips Are Sealed" and says "Bangles." Michael wasn't correct--the song is actually done by The Go-Gos. See more
Otherwise, it's just malfeasance for malfeasance's sake.
References Saturday Night Live
Performed by Squeeze See more