It was the push that sort of sent me over the edge.

Maybe someone is deliberately trying to send her over the edge.

Whatever had happened in his past was enough to really send him over the edge.

This has sent her mother a little over the edge.

The evidence of her response sent Lucas straight over the edge.

His hesitation sent her over the edge, and she left.

For some parents low on resources and patience, such a thing could be enough to send them over the edge.

Just a little push would send her over the edge.

But what he saw when the lights went on almost sent him over the edge.

"That could be enough to send us over the edge."