Well as you said she is not use to boys liking her and therefore she might not know how to respond to your confession. And it is her decision weather to believe if you ruined your group of friends or not. The best advice i can give is to be honest with her.
Cause yall was good friends and he blames you because u did it
maybeeeeee
A bad workman always blames his tools (it is not the tools, but how they are employed)
origin of proverb a bad carpenter always blames his tools
I/you/we/they blame. He/she/it blames. The present participle is blaming.
Polyphemus blames his death on "Nobody" and his friends. "Nobody" is what Odysseus tells him his name is. When Polyphemus tells his friend that Nobody is killing him they don't believe him. They take it as no one is killing him. They say Poseidon (their father) has sent the plague to him. His friends tell him to pray to their father!
one that gets the blames
A blamer is a person who blames another.
He blames you for his fate.
accuse
Goody Putnam lost several babies shortly after birth and blames Rebecca Nurse (out of jealousy of her large family) accusing her of witch craft.
He actually was married at the beginning of "Ghost Adventures". But he got a divorce. He blames the evil spirits at "Bobby Mackey's Music World" for following him home and ruinning his marriage of 11 years.