i need some ফ্যানপপ ppl help!!

ok, so this past week me and friend were in a fight bcuz in the hall it was really noisy and i ব্যক্ত something to a frined that to her sounded like "Your hair is ugly" অথবা something like that. So like the দিন after we made up this really nosy girl name Sarah came up to me and ব্যক্ত "Oh my god u did not have to make fun of Cidnee's hair!" (my বন্ধু name is Cidnee's) and one its none of her busniss and 2 were not fighting anymore!! then she told me this a 3 days later but still acted like my friend, just blaming me!! confusing i know! what should i do about Sarah!!??? HELP!!