I've read quite a lot about people having "nights off" from lucid dreaming and recollection. Do you think that the poor/zero recollection of the last 2-3 days is just my brain taking a rest? I've been going at things pretty hard (in terms of research, trying techniques, all-day awareness etc.) for the last two weeks with pretty good success.
You've been doing great. Don't worry if recall isn't top notch or even slacking some days, that's pretty normal. Sure, you don't have to try to ld every day, just don't put it aside for too long. Even on days where you're not too involved with ld practices, there are small things that you can do to keep it at a certain level - RC when waking up, some thoughts about lding pre bed and the occasional critical thought during the day.

Have a nice weekend!