Instant results are possible – in fact I often get them. However, there is no guarantee with anything to do with the human mind.
But then again even psychologists and psychiatrists can’t guarantee results…
The more you put in, the more you will get in return. It is not because hypnosis doesn’t work – it does, and very well. The problem is that sometimes people either don’t reach the right level, or – more often people say what they think the hypnotist wants to hear. That gives the hypnotist wrong information to work with.
Results are frequently immediate, and permanent. This is by far the most common experience – and people go on with these valuable changes from that moment onwards