I saw a movie years ago.now I want to see it again.but I don't remember its name.in that movie hero ia a courier company sales man.he has a wife whom he loves a lot.once he goes with his courier plane.plane crashes.he finds himself on an island.he has nothing.he starts living there.he lerns to cook, eat and to make a fire.after years he makes a boat.and starts his journey.a ship takes him back home.his wife is married to someone else.

It might be Cast Away with Tom Hanks.