Saint <span>Patrick according to the legend used shamrock to explain the concept of
Trinity in Christianity meaning the Father, the Son and the Holy Spirit. As the
shamrock is three leafed clover and the Trinity also has three elements, this
similarity was used by him in 5th century to explain the doctrine to
pagan Irish.</span>
The answer is rationalism
"Got sick" generally means "became ill," but in this context, it most likely means "became seasick."
It depends on how the buildup is. Since I don't know the name of the story, it could perhaps evoke a feeling of relief from a suspenseful build-up or even horror or surprise.
