am i the worst girlfriend

i datted my boyfriend for two years almost 3 i love him so much I'm there for him ill take a bullet for him he the best boyfriend i could wish for but the part where I'm the worst is a long story so grab something to eat/drink and enjoy the story: one day i ditch school to go with my friend to smoke some bud ( i quit and I'm now focused on my education i just wanted to try it)her boyfriend invited us to go to boomers so i say sure so were at boomers and his friend is there we'll call him friend A and she said to go with him and hang out so she can be with her boyfriend doing couple stuff i was kinda mad that she didn't tell me i had to be alone with this guy that i don't know anyways we play games and he dose the I'm tired so Ill wrap my hands around you i didnt pay attention to it cuz i was more focused on the game anyways we went outside where the golf part of boomers is and walk around when were by the waterfall he grabs my hand and says im very pretty etc( me and my boyfriend were in a sorta like thoughts am our relationship because we were in a fight) i really didnt like friend A and he said what would i do if he kissed me and i told him i would slap him lol yup i said that so he like ok still holding my hand he asked for my # i told him i just wanted to friends and friend A says ok so my friend comes and it was time to go home we all rode in the same car not saying a word they dropped my friend first and i was last and yes i was worried lot of thing popped in my head thank god nothing happened they dropped me off i said thank you for the ride and they left when i got home he text me and that whole day he was trying to flirt with me i keep repeating i just want to be friends and he says ok so this continues for 2 days and when i told him I'm with my boyfriend and i don't want him to think i like you and have problems(i did tell him i was texting him I'm honest with my babe) he says ok and he stops texting me for about a month when all of a sudden he texts and he says "hi" and he stills try to flirt with me this happened at 9 pm the next day he text and i was at school being a good girl and i told him ill text him later and blocked his # I'm not a mean girl i do care about other peoples feeling but i had to do it cuz i didn't want anything to do with him so please any thoughts am i really a bad girlfriend? I really love my babe and i don't want to lose him