What's the count for unexpected deaths up to so far this month? The man behind "Addicted to Love" and "Simply Irresistible" died (story.news.yahoo.com) today of a heart attack. Those were two of the coolest sing-along songs of the 80s, by far.
I think you should tackle the two habits individually. As mentioned, the constant sniffing might be a medical condition. One of my friends did it for years until he finally found out that it was something he could clear up with (I think) an inhaler.