I have a really attractive guy on my snapchat list. We exchange cute selfies and tell each other sweet things all of the time. Sometimes he says sexual things and he once talked to me about how he's still in love with his ex. If he's so in love, why is he
Stop talking to him. You're just some sort of rebound.
When he flirts with you, brush him off.
Flirt with him, but just for fun. Do not take it serious.