Problem

Hi, I'm back after a long while with a problem yay. Im also not sure how I'm supposed to format this or if I'm even supposed to rant on here but... anyways... so... I'm going to sound like a really messed up person because that's genuinely what I'm feeling about myself right now and I feel like that makes sense and I'm overthinking the entire situation... so here goes

Someone asked me for help about a crush and told me most of the tiny details... and since i used to know both of them, I supported it and I thought it was a good idea to ask the other person if they did have a crush last semester and they told me no and kept pressing me for why I was asking so I gave vague details that a guy liked her but she probably doesnt like him and I messed up and asked her to swear to secrecy (she did not) and then I talked to the guy about it (I was talking to them both at the same time) and he told me how he wasnt sure if he messed up and believed he should give up and since the girl told me she didnt like anyone and still doesnt, then I encouraged him to give up and that was that, I thought I helped. Then my friend messaged me today and asked me what I was thinking to interfere, that I shouldnt cause I know nothing and she lied to me and I broke his trust by going behind his back to do this, which is true and i shouldnt have done so but I was scared of encouraging him to like a girl who didnt care about him... so that's why I asked the girl... but now I'm regretting the whole thing and I really shouldnt have interfered because now I've just messed the whole situation up and I'm scared of the guys response (he actually sent a message asking if I told her anything cause he heard something from her) and I'm just... I know I did something horrible and I'm not sure how to fix it anymore and I was hoping for some advice