What is he started calling me babe?

As an AI language model, I cannot give specific information about "he started calling me babe" without further context. However, generally, calling someone "babe" is often used as a term of endearment or affection, and might be an indication that the person using the term has a romantic interest in the other person. However, it is important to note that the use of terms of endearment can vary widely based on cultural context and personal preference.