lost love found, but taken :'( :'(

okay so theres this guy I ALMOST went out w. as in he was ALMOST my boyfriend, I used to call him bubba and he used to call me babygurl, and we used to talk everyday, he used to work at my dads shop and because my dad found out I liked some of his employees he banned me from going there anymore, then we moved to mexico for 1year1/2 and now we came baq, there are new employyes and everything I was working in my dads shop for about 2 months when chino aka my bubba went to ask for his job back, luckily he got it back, :) we dont talk much anymore though, at least not like we used to, I found out he has a girlfriend now, I tried being nice to her when she goes to the shop sometimes, I smile at her and she looks the other way, and my dad really likes him now, because chino brings my dad weed,one night he came to my house to take my dad weed, he was with girlfriend in the car and I went to open the gate, and I told him “hi, sorry I didnt reconize your car”, and hes like”you know my car, come on:/“ and im like “yeh I reconized the rims” and hes like “look this is my girlfriend” and I got down by the window and said hi to her and she just kept looking straight at my house, she didnt say hi back, she didnt even smile. hes been w. his girlfriend for a good while already but the thing is that “we” (me and him) werent supose to end the way we did,(w. me leaving the country) now everytime we talk about the past hes like “oh BACK IN THE DAY” and now I try not to bring the past up, but now when we talk about any little thing its like I cant help but feeling like just grabbing him and shutting up and kissing him, because I know things should have been different, I still have felings for him, I dont know what to do, I dont want to disrespect his girlfriend or him or his relationship, but I cant help the way I feel, its eating me alive, I really dont know what to do his girlfriend is a biatch w. me and I cant help the way I feel and im scared to tell him because then he might want to keep his distance and I dont know how much longer I can take w.o. just poping him a kiss,… it hurts me sooo bad,.. :( please give me some “real” advice on anything you think please its such a hard situation for me I dont know what to do or what to think or what move to make, please, anything will help im sooo confused :’(