1. work.
2. visit second hand stores (para mas mura kung may bilhin ka):
a. used books. start reading. tom clancy, robin cook, star trek!
b. buy an air-cooled VW and tinker with it.
3. learn to play a musical instrument.
4. engage in sports. try running; it doesn't need a partner. you might even end up doing the marathon.
5. do charity work. hey! visit the hospital and see how the poor cope...
6. go to school and teach!
in the first place, why are you sad?