What is he sent me a heart emoji for the first time?

As an AI language model, I don't have access to any personal information. However, receiving a heart emoji from someone for the first time can be a sign of affection or interest. It could signify that they like you or care about you in a romantic or friendly way. It could also be a way of expressing gratitude or appreciation. The meaning may vary based on the context of the conversation and the relationship between the sender and receiver.