I had my first lucid experience a while back (my first thread discusses that), but I haven't been able to repeat this. It was a DILD where I used the nose RC (I'm assuming out of habit because I didn't really have any intention of doing it).

Is the reason I can't have another LD is because my dream recall is bad? I had been able to remember most of my dreams pretty well but this is no longer the case. Do I need to be keeping a journal to attain lucidity?