Why couldn't he discern the falsehood and ulterior motives behind Galilea's facade, given his usual smartness?

Why did he indulge Galilea so excessively?

She loved Tyrone immensely and that love was inextricably intertwined with a profound resentment.

All the pent-up sorrow and grievances that had festered beneath the surface of their marriage erupted in an instant.

How many times had Tyrone chosen to place his trust in Galilea instead of her?