He asked me if I was willing to share food with him, what was going through his head?

My coworker and I clearly like each other, we are close friends too and tease each other the whole time, today he found out that I really like a certain type of food which we had at the office, once he knew that I love this food he insisted that I have it, when I refused he asked me if I was willing to share it with him, I said yes, and ate a bite but then he refused to eat the rest and said this is for you, enjoy it..

He asked me if I was willing to share food with him, what was going through his head?
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