1st day of school... should i change class or not???

I don't know whether change class or not... From class economic to science.. Cause I also don't know if in sc class i can catch up or not... Even today my add math teacher teach de i also don't understand at all.. But i very interested in sc not eco... HAizzz... What should i choose.....

Today 1st day not too bad lo..... Miss form 3 our enjoy time... LOL Vir say that i'm lose weight but actually no.. I only lost 1 kg this or I should say last holiday... Even she lose 4 kg... yerrrr jealous la....

Good news is HEY SAY JUMP gonna out their new album and Hidarime Tantai Eye (maybe season 2 or drama or movie... I also don't know) gonna out soon too... Yeah....... not high enought...

God please let me know how to do this... Am I gonna regret after make this division....

I must put more effort for my study starting right now....