any solution?

i was sitting in front of the monitor doing nothing yesterday...juz day dream...building castle....haha... then i look at my hair....

i noticed i got a lot of split ends la...and it broken into half very easily....
do i lack of somthing?....vitamin?

it's my first time i have very long hair....i only plan to trim it before going to study at elseway...
hmm...any tips ? pls~ my hair needs help~

SOS~ hehe...^.<