Should i forget this guy?:(i feel hurt?

thiswus 2months ago im16 and he is21 i methim in a niet club i went with mymom wen i enturd he satcros frm me straigt he smile@me i smile2 then a guy askeme to dancewen i came bac he said if he coul sit wit me i said no becuz mymom doenst lik it when a guysits at our table but he staye there so i told him my mom didnt like it wen guys sat nxt to us it was like he didnt hear so i was like owell then we talke he seem nice he also mention he use to be fat he says & his exs then he say he liked a grl 4 like many years but she ended cheatin on him while he was in the hospitl for 5 mnths i thght it was sad then the last gf he had was kind of abusive somehow he said she would hit him and one time she like menaced him with a knife (he was honest but this is alot of info dont you think?)& she told him to get her pregnant she was 17. he left her four months ago then after tht another guy asked me to dance i said no becuz i thout it would be messed up if i left him there. he was like pretending not to hear becuzthen after tht he put his chair close to mine and his arm on my chair .i love to dance & well he didnt seem tht type but i wasnt goin to stay in the chair while i saw ppl to dance and then i told him let dance so we did and he was so shy(i thought it was really cute he was all smiling)he came with his parents they were in front of us they smiled,he also mentioned he had a disease which is called pancritites what do u think of tht diesease have u heard it before? then he said he was going to the restroom i said okay& he asked many times you wont go dance with another guy right? then he came back and said wow u did keep ur promise then after tht we danced he invited me something to drink(no alochol)oh &the night club is for 18 & up and im 16 i told him im 18& asked him if he would ever date a 16 or younger (curiosity) he siad 17 and older he wouldnt date its has top be 18 and up becuz they could threaten him you know not dating minors(i was like oops:0 )then when it finished he said he didnt do this just for nothing and tht he really wantd to get to know me he gave me his phone number and he wuld look at me alot and smile he walked me to my car with my mom and he said he really hopes if i call him when i got home i got happy he seemed really nice and calm then the next day i txted him and we would txt back and forth then he said hewanted to get to see me again and i said ookay and we saw each other friday (ive never had a bf nor have i dated becuz reasons1:ive liked older guys or ones tht look older 2:i feel im young to date i should wait till 19 ) so i thought ill just be friends with him which i know was very stupid of me) and my mom said tht going on a date with him alone is not rite so we walked around the neighborhood and we talked he is a funny guy :) then tht nite my mom wante dto go to a nite club so i invited him he came with us and my moms guy friend the guys whos my moms friend invited us everything wut my mom didnt like was tht the guy i was gettin to know didnt present himslef with her and tht he didnt even try to offer to help my moms friend with paying or something i was thinking about it too . then when we went in we sat at a table and he put he arms around my chair and when i would go to the restroom he would look over alot at where i was at. my mom would look at him &he would look away and smile it was kind of cuteits just my mom got jealous becuz it was the first time she sees me with a guy like tht then wen we danced he took me as faraway in the corner so mymom wouldnt look at him.when we sat back down he would bent over like if he had a stomaq problem wich i think was his pancrititesis it dangerus?then he inviteme to dance i toldhim i dont want him to dance so much becuz of me becuz it could be bad for him he would give me like bird kises or peck kisses on my lips many times and he would hug me and he would dance funny to make me luagh i started to like him morewen we left he hold me by my hands in the car he hugged me and kept touching my hand and talking then when the ride was over my mom was inside talking to her guyfriend and i was out side talking to him he said he would want me to become he girlfriend and tht he would want me to go to someones party but i couldnt before he left he said if he could hav a hug and kissed me then tht hole week we talked alot on fone and said he wanted to see me fri and sat so i said sure:) then when fri came he didnt com neither on sat then on sunday he txt hi thts all then a week psts no call or txt and then iwent dancin and i saw a guy who looklike him but icall & hesaid it wasnt himhe was hospitz and tht fri our date sumthincameup with his homiz& sat hesay he f0got wut hedid and he say when i feelbetter ill take u on a realdate and then i say ill cal u ltr wen u feel beter i felthim distant i ws like chasin aftr him in txts said wut ifelt& hesaid damn wonthappen again i felthurt thenI didnt hearfrmhim4 1mth txtsme i didnt txt bac did ido sumthinwrong?