For whatever reason, they have not fed off the energy the building can provide.

They also feed off the fear and blood of others.

"He's taking away from some of what I need to feed off for myself."

He's probably just doing this so he can feed off you.

It is known he does not need blood, but feeds off a type of energy.

Now feeding off their success, the Americans added a third goal just two minutes later.

Fashion fed off them all, it has for the past 50 years at least and will continue to do so.

Some of them control it better than others, but they still have to feed off humans.

These men without women lived on and fed off their hate.

There was all that rage for him to feed off.