I'm working on a second slipper right now. I'm really bad at projects like this, slippers, socks, whatever there is two of! They are for a gift, so I have to finish them though. I was actually on here looking for motivation!!
I totally agree with what striker said in her post- life is too short, if you aren't going to finish a project, totally rip it out and do something different! Once I gave myself permission to do that, it was very freeing.