By Ben Turner Good Morning Britain host Richard Arnold says we should do more to help grief-stricken friends and family during so-called Blue January. The 51-year-old, who lost his dad Dave in 2016, said the post-Christmas period was one of the hardest times of the year. It comes as bereavement charity Sue Ryder said it expects this month to be its busiest January on record. The organisation expects to help over a quarter of a million Brits – more than double the number it supported this time last year. Richard, an ambassador for Sue Ryder, says he still struggles processing his father’s deat…