I have this friend and she just moved back from Costa Rica and i am REALLy annoyed with her?

ok so were BFF and she lived in Costa rica for a year we tlked everyday and when she came back i was alll happy and now she is really annoying. like she always ists really close to me and i fell weord an i just dont like her i feel down when around her but the sucky thing isthat her mom is gonna be my spanish teacher next year so i cant ignore her