I just put two and two together and assumed you two must be married.我只是根据现有情况推断你们两个肯定结婚了。I saw him leaving her house and I put two and two together.我看见他离开她的家，心里便有了推测。You weren't home so I put two and two together and went back to your office to find you.你不在家，所以我想了想，就回你办公室去找你了。