What makes a loving husband take his life without any warning?

What makes a loving husband take his life without any warning

Seemingly happy: Phil and Traci Lewington on their wedding day. He killed himself without explanation in 1994

Seemingly happy: Phil and Traci Lewington on their wedding day. He killed himself without explanation in 1994

Had it all: Gary Speed, pictured with his wife, Louise, had a dream job and a loving family but took his life last Sunday

Had it all: Gary Speed, pictured with his wife, Louise, had a dream job and a loving family but took his life last Sunday

At a glance