Bitcoin highly affects life of every user who consider bitcoin as an earning for living. If its been considered an additional earning it won't make big impact upon life. Also based upon price variation users get profited.
Yes, thats the main addiction in bitcoin, the "Profit" thing.
Every user must control themselves from greed and go out sometime to bond with friemds and relatives.
If you are satisfied with your earning from bitcoin then it will surely have positive impact in your life but if your try go for shortcuts in earning them then you will loose whatever your are holding in your wallet and that can create negative impacts on your life.