[Eomer of the Rohirrim]

The Stare of Death must ensure that Éomer's drink remains undisturbed while he answers the door.

or

Éomer realises that it was a prank call.

or

Éomer realises that Gimli & Legolas have added bad things to his drink.

or

Éomer realises that killing Gimli & Legolas in a rage was possibly not the least troublesome method.

or

Éomer needs a break and is in no mood to deal with the token hysterical woman crying on his favourite armchair.

or

Aragorn could have timed his request for more beer a little better.

or

The band get annoyed and everyone starts to leave.

or, of course:

Some drunk guy is leering at Éowyn.