The responsibility of caring for so many animals weighed on me, and there was never time enough to do all the things that needed doing.

Try not to let this new responsibility weigh too heavily upon you.

And yet, I suppose that your responsibilities must weigh upon you very heavily at times.

Already the responsibility weighed heavier than he would have supposed.

The responsibility of the tribe was weighing heavily upon him.

"How could such a huge responsibility not weigh on me?"

But the responsibility of his heritage weighs heavily on him.

Our family made every effort not to let the responsibility for the accident weigh too heavily on Frank.

But in her heart, the responsibility weighed heavy.

The responsibilities of being an angel sometimes weighed on him.