Yes. I have spoken in favour of longer sentences, but it must be accompanied by rehabilitation. This is from my personal experience. I needed several episodes of incarceration to understand, but I personally know people who understood right away. They did their three months sentence and never went back. As I was out of control, it took me several trips there before I understood. I got a six month closed custody sentence, but the reintegration began after the third of the time. At least it was the case when I was there. And I don't know if it's still like that today. So I started gradually to go back to school, to work and to visit my parents on weekends and when I had a relapse, I was sent back in for a month because I had to understand a few more things. This occurred until I was finally released, and it had positive results for me.
On June 3rd, 2010. See this statement in context.