Katie begged Alex to let her drive, and he caved in.
Someone might have wondered about his skull being caved in.
She'd spend the rest of her life knowing she caved in to desire only five days away from her goal.
Above, the ground has been completely worked out from the surface, and the space formerly occupied by ore is now filled with the debris of the overlying strata which has caved in above the block of ore now being worked.
While Simonides was outside, the roof of the house caved in and killed everyone.