surplus from merged company / profit from amalgamation

control *oneself / controlling *oneself / containing *oneself / exercise self-restraint / be master of *oneself / hold *oneself in / exercising self-restraint / restrain *oneself / restraining *oneself / self-control / being master of oneself / self-restraint / controlling *one's feelings / contain *oneself

control (*one's feelings)

repress / restrain / suppress

crunch on *something

chew *something in a gnawing manner / chew *something in a munching manner / chew *something in a crunching manner

scratch (the head)

scratch oneself with a scratching sound / scratch oneself with a rasping sound

trudge along (in *one's studies) / (study) go the grind / hit the book

study grindingly / study drudgingly / <c:figurative> go back to the grind