Being specific and confronting inconsistencies in the client's story
Making sure the client keeps talking
Being concerned for the client
Accepting the client for what they are
Agreeing with the client to support them
Sense of humour
Having sound advice for the client
Good, objective listening
Having the strength to get the client to face reality
Make sure the client is well-rested.
Stop the client from talking too long.
Create a mirror in which the client can examine himself and his life objectively.
Promote positive thinking.
Empathise with the client's emotional state and situation.
Force the client to face up to what they have done.
Here's an interesting quiz for you.