The Spoonbill Generator

I ponder what I dare not do, [Apsley]

Before the bathroom glass [Roland]

Shall I turn round to see if there's [fester]

A blob of setting glue? [Apsley]

I wander what I ought not to [fester]

Tread upon - the green grass - [Apsley]

Shall I turn round to see if there's [loaf]

A useful hint or clue? [P]