If a guy starts complaining to others about you not greeting him does he hate you?

I work in a big office and tend to forget who I already greeted so I somethimes forget to greet someone or greet another one twice. There is a guy that I used to get along with very well in the beginning who always asked me to join for lunch or coffee. However when I once forgot to greet him I overheard him complaining to his other colleagues about me ignoring them. I also saw him once giving me an angry stare from across the room. Does he hate me now?

If a guy starts complaining to others about you not greeting him does he hate you?
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