i have been reading this thread with interest as the same has happened to me once in 30 yrs,i was getting bored with my ic flying,i was going down the club strip doing the same old manouveres every time, i did try diffrent things to do with my aircraft like a bit of aero towineg but it did not hold me for long,so i stopped flying for a few weeks,then i had the urge and came back ,i took up slope soaring and that rekindeled my interest in flying, now 8 yrs on i do electric and slope ,my main interest is slope and have met loads of great guys out on the slope ,my advise is dont sell ur models yet ,find a new interest and im sure that not to long down the road u will wanna come back ,welll thats my 10 pence worth hope it helps