Age old problem: how to stay clever for longer https://t.co/V7Vf5Bl2xa https://t.co/SHG5gea1Av Age old problem: how to stay clever for longer https://t.co/V7Vf5Bl2xa http://pic.twitter.com/SHG5gea1Av — Jerry Rosser (@psychologyofjoy) December 11, 2017 Share!