Antonyms for the phrase "breaks in two" could include unified, connected, whole, intact, unbroken, and seamless. These are all words that convey a sense of completeness and continuity, suggesting that something has not been fractured or divided. Alternatively, antonyms might focus on the action of breaking itself, emphasizing words like mend, repair, heal, or fix. Each of these alternatives implies that something has been damaged or broken in some way, but that it can be restored to its original state. In either case, the antonyms for "breaks in two" suggest a sense of repair, wholeness, and restoration.