My father too was in Burma from 1943-45. He was in the Air Sea Rescue branch of the RAF and came back pretty unscathed, thankfully. One of his best mates from the UK ended up as a Japanese POW who ended up in Changi Prison. He was a strapping 13 stone lad when he signed up. He came back after liberation weighing 5 stone. The psychological damage lasted until he died (aged 75). He was always a rebel and even in later life got up to all sorts of pranks which amused us when I was a kid. It was his way of coping. He hated authority.