Relationships

What should I do in this situation?

I had a crush (T) for a year in highschool, and it turns out we're going to the same college (not same field) and i'm still very fond of him. At the end of 2022, as T gave me weird mixed signals, i decided to give up on him as i thought he didn't like me. There's this boy (C) whom i learnt, liked me in highschool so we started dating. He's really caring and sweet, but the thing is that i still love T and have no feelings for C. Ofc i care about him but i'm not in love. One day one of my friends toke my phone to send to T a funny flirty drawing i made for C on a maths paper, and I was too busy with a big exam coming up to notice. The next day, at the evening, he sent me an ambiguous message telling how he liked my drawing a lot and talking about maths. I apologized and told him that I am with someone and he left me on seen. When we left college the next day, we walked on the same way but he walked very fast and acted nervous as he was trying to avoid me. He later sent me a message telling that he didn't take it bad and that everything was fine. I told him I was reassured because he acted distant and I thought I might have hurted his feelings. The next day he came at lunch to chit chat with me and my friends, something that he doesn't usually do.

I don't know what I should do, I feel bad for still loving T when i'm supposed to be with C, although I don't feel anything for him. But he's just so sweet and I can feel he really loves me, I don't want to break his heart... I'm also worried about hurting T or missing a chance to be with him, which I will find good for me because I am actually so fond of this boy and won't have this problem anymore...

What should I do guys?
What should I do in this situation?
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