“Harry is losing the plot” What do mean by this? Is something happening behind closed doors?

nycrealroyal:

“Harry is losing the plot” What do mean by this? –> The amount of negativity this relationship is attracting is unbelievable! Harry is trying to ‘fix’/sort of a way to find his way back, but it isn’t working. I cannot share much. 😘 *things are getting heavier. No wedding cheerful winds blowing*