My boyfriend lied to me and ruined our relationship for a trip with friends?

After spending some part of the holidays in my long distance boyfriend's city, he brought me into my city to spend the rest of the holidays here, but after that he found a lie to leave me there and to go to a trip with his friends to another country. And this country was a country that he knew I wanted to visit so much and we were planning to visit together soon and he didn't even ask me if I wanted to come and he hid it from me. He said it was because of the money, he said even he didn't had the enough money to go, and that his friends payed for his tickets, and he said he thought I didn't had enough money either and that he wouldn't be able to pay for my ticket because we are both students. I said if you go now, you will never be able to come back, and he left. Few hours later he regretted and came back but said I took my ticket to leave tonight for go to this trip with friends anyway, we talked for a while, I was hoping that he would try to fix things but no he said he can't break his friends' trusts like he broke mine and that it has been a long time since he spent time with friends (even though they live in the same city and they are in same school, same class) so I saw that his friends were more important than me and I said just leave and he left again. Now I see that he is regretting, he is saying he was stupid, and that he wants to fix things but I know that he is on this trip with friends at the moment. Does that means he doesn't truly love me? I am so heartbroken to be left out like that and I feel so worthless. He did a lot of things for me until now, but now I can't believe it was so easy to throw this relationship away just for a trip and for friends. Why he acted like that? Does that mean his friends are more important than me? Should I give him a second chance and forgive him?

My boyfriend lied to me and ruined our relationship for a trip with friends?
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