2 Metaphors for surmises

" He was almost overmastered by the temptation to forget everything except his love for her; to let himself be persuaded that his ghastly surmise was a product of his own fatigue and sleepless nights.

In a thousand years he could never have guessed from what that yell issued; his nearest surmise would have been a score of men screaming in unison under the torture.

2 Metaphors for  surmises