add oil。 i will try my best to write in english。if i dont know how to express,i use chinese。 now,my expressing is a little bit rigid,please ignor it。if i have mistakes,tell me。dont be shy。
add oil。 hey,sweety,i will go to work so i cant monitor the situation about your study everyday。i will add oil in my heart everyday。 if noncorrect,tell me。