I need help with a guy, complicated, more in description

[JinxGasai]

I have a really great guy friend (that I kind of have a crush on) that I have known for around 11 years. Recently he got new friends that didn't like me and drove him Away from me. I tried to communicate with him, it was working but it was very... Weird. I got him a couple presents for his birthday(none of his other friends did this) he liked them. I also left a not of my guess/detective work and asked if his friends didn't like me. He said yes and they are making fun of me because of it, I replied who, he said he wouldn't tell me because I would get mad. One day, I decide to ask if everything is ok with that person, he said they stopped, so the next day I decide to ask him in person if he was sure, but as I came close to him his new "friend" yelled "HEY JON ITS YOUR BOYFRIEND!!!" Jon told me it was fine, and it wasn't I was ready to destroy this person for keeping me away from my man for a year. Later I keep seeing him staring at me. Anyway, now they are making him "fit in to their box" and he dosent exactly like it. Now, recently I got him another present but he was sick the day of and I couldn't give it to him. So I get a hold of the antagonists number and meant to text him to not say anything when I gave him the present but I FLIPPED OUT during texting him. Obvoiusly, he texts Jon, and Jon replies stop hart adding my friends, I try to explain that by the me of the messages everything was sorted out between me and the antagonist. He replies we can't be friends don't talk to me were done. I try to explain but he dosent want to hear it. He tells me to please stop so I obey him. I cry whole oceans, I could make Mars have life again with the water I made. The next day Jon was at school I apologize to Jon and the antagonist and give Jon his present. FLASHBACK ONE YEAR the antagonist is becoming friends with Jon and I am cautious, Jon asked if the antagonist liked me and he said whatever Jon replied YOU IF YOU DONT. CURRENT TIME my friend asked Jon if he opened it twice 3 days apart I asked Jon to open it and I apologize a sincere one, Jon tells me he is never opening it. One week later I tell Jon happy summer and I wish we can overcome everything next year and that I am there for him blah blah blah... One week later I say same thing more serious, Jon says to please stop we can't be friends(he never gave me a reason but I might know it) I really LOVE this guy I basically am a Yandere for him and I hurt people emotionally/ physically, used people, sabotaged, etc. because I love him so much and have for 11 years. I am NEVER letting go, he saved my from dying at other peoples hand(cars), and my own (suicide) multiple times I really need help should I do?