It's been described as a 'silent epidemic': the number of lonely men in the UK and US is on the rise, and so are male suicides. Calvin Holbrook asks if the two could be linked and examines the causes – and possible solutions – of increasing loneliness in male populations.   I can still remember grinning ear-to-ear after receiving the keys to my first apartment that was going to be all mine. After years of dodgy flatshares, I’d finally achieved the holy grail of London living: my own ho