Confused about love or lust?

We both used to like each other. We were in relationship but before he accepted I confessed another guy my feelings which was just fling. He broke up and in just 3 days he came into relationship with his ex. Later he gave silly reasons like i can't break her heart again , family won't listen, can't leave her and lastly blamed me that because of me broke up because I have another guy more attention. He used to keep saying he loves me he wants to stay with me. He is still in relationship with her but we kiss each other and stay close. He takes care of me pays attention gets possessive and does everything for me also wants to stay with my parents. We flirt and do sexting. They are in long distance but we are classmates. does he have any feelings or it's just lust? Does he really love her?

Confused about love or lust?
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