dig (oneself) an early grave

To do things or act in a way that is likely to result in one's premature death. You're going to dig yourself an early grave if you keep drinking as much as you do now.

Common Names:

Name	Pronounced	Usage
Aodh	EE, AY	Irish, Scottish, Irish Mythology
Rolf	[rɔf]
Longina	lawn-GEE-nah (Polish)	Polish, Ancient Roman
Lalia	-	English (Rare)
Aitor	-	Basque
Galila	-	Arabic