dissapointed on myself

feeling dissapointed on myself...b4 d test 1...i spend quite a long time to stdy...make my own note while stdying...but...d result i get..totally not as my expected...i oni get half of d whole paper....omg....wat's wrong on me....y my result ll bcum lik tis...?i wonder y....haiz.....seem lik i need put more effort on my stdy...seem lik i need to ignore smth,....and conc on my stdy start fr today....hopefully i can...can get better result in test 2 n final....at least get a dean tis sem.....gambate to myself....