I have only had my Reo Grand since the 1st week of February. I have collapsed 2 springs in the past 3 days. I am a chain vaper. I generally have 2 other e-cigs going at the same pace as my Reo throughout the day. I keep 4 AW IMR 18650 batts in rotation. Maybe I am depressing button too hard? I ordered replacement springs with my Grand, but now need to order more. Any thoughts would be appreciated.