my best friend

i have a best friend cal ng chin hui she is my bestfriend since i study in smk seri saujana..i know her very well she is kind and always make me laugh i know she like someone but i just dont want she to get hurt coz why if she is not happy mean i also will not happy. she is a pengawas i know that but for me i dont want her name become buruk by liking a senior ..name ?? i hope she will understand and know what to do...