It's a spiritual practice as well, and I'm finding it tough. My excuse is that I'm an optimist:
"Maybe I can find a way to re-use that, re-cycle this, re-purpose that, re-gift that."
But the awful truth is, I just have a hard time letting go of stuff! I confess! I'm a pack-rat. So, my resolution for the next two weeks is to get rid of all my excess stuff!
Besides being a spiritual practice, it's just practical. As one of my brutally honest friends repeatedly told me last night, I have to purge. I must purge. I have to purge. I must PURGE!
I'll keep you posted.