Fall away

After the divorce, all his friends fell away one by one.

These […] for a while believe, and in time of temptation fall away.

My "ex"es include both practicing and fallen-away Catholics and Jews.

One colour falls away by just degrees, and another rises insensibly.

While long-distance and commuter rail travel still fared well, train travel to seaside resorts was perhaps inevitably falling away.

The power off, the engine noise falls away as we roll east under an odd mixture of old and new bridges.

How […] can the soul […] fall away into nothing?