Help ,, I Don't understand him anymore ,, is he using me?

i was dating someone for 3 months we were great but when i asked him if we could move forward and be official he disappeared 2 months later we spoke and he was hot and cold i got tired because i am not a backup plan so i broke up for last ,,1 month later he posted story about breakup and told common friends he loves me i told him to ignore me ,, he disappeared for 1 month from social media and today he appeared he posted this a qoute about forgiveness of a person who is not sorry ,,, i don't know what he wants i loved him but i think he is narcissistic and only misses his ego bosster ,, or does he love me and am wrong?
Help ,, I Don't understand him anymore ,, is he using me?
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