patulong naman thank you

Answer:
In the first paragraph stated by the speaker, the problem was that he/she was having a failing grade in biology and therefore is ashamed by it.
He/she solved his/her problem by studying very hard and taking his/her studies more seriously than he/she has ever done in the past.
The lesson that the speaker has learnt from his/her experience is to work hard in order to be successful in anything.