side issue

bright side

A consoling aspect of a difficult situation.

err on the side of

To behave in a manner which favours or which is biased toward.

err on the side of caution

To act in the least risky manner in a situation in which one is uncertain about the consequences.

fudge the issue

Adopt a solution to a specific problem which does not address the larger, more general problem of which the specific problem is an instance.

get out of bed on the wrong side

To start the day in a bad mood for no apparent reason.

get up on the wrong side of the bed

To feel irritable; to be in a bad mood; to have a bad day from the start, for no particular reason.

have time on one's side

To not be rushed; to have plenty of time to do something.

join issue

Of two people, to argue with one another.