COC is fun, but playing two hours at a time is bad for you...no exercise,no productivity, etc... So, supercell should add 45 minute barracks boosts for half the price of a two-hour boost...it would give more time for people to live their lives, doing good, connecting, etc... Besides, I think I'd spend more gems. I often won't boost because I don't have 2 hours to spend on coc, but I would boost for 45 minutes. Or alternatively 6 gems for a one hour boost.