I had to spend about two or three years away from 
my collection while studying and then working 
abroad (I brought two folders with me though). 
When I found I could barely remember about half 
of what I owned, I realised I was losing 
attachment. If I couldn't remember it, how much 
did it mean to me in the first place? 

So I began selling off most of the things that 
didn't stay in my cel memory :/ They may be nice 
cels, but its time someone else gave them a more 
deserving home. 

On the other hand, everything I remembered fondly 
is never leaving me because its quite obvious I'm 
frigging nuts about them XD

I dont know if this helps answer your question at 
all, but there is hope ^^