You just can't go past a wee trip to feed the ducks to adjust a mood. Often reserving these types of excursions for a sanity break mid afternoon, I think a few more early morning outings might be on the cards for a calm and peaceful way to start our day.
A great little entertainer for an immobile one - sitting on a park bench while the ducks come to her, lots of fun interaction, it also provides her a sense of control which at the moment is important.
Cries of "don't eat my toes!" are interspersed with giggles.