IS THIS A RED FLAG

i dont wanna get my heartbroken or i dont really wanna get butthurt so might asweel know sooner the better. Anywas so i just posted about the guy i was talking about who was saying "u hate me" etc well this was our convo him: ik you hate me🤮" me: whattt noo i dont, where did that come from him: 😭😭😭😭😭😭😭😭😭😭😭(literally alot of crying emojis) me: i don't u mean alot to me ❤️❤️ him: i'm just playin b we're not dating also he started calling me as b then bby now baby?