if u hv a gf then go out with her !! or just hang out with her !!
watch movies !! listen to music !
surf the net !! there is soo much !
play computer games ( if ur hardware supports it )
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ok the list is endless !
one final suggestion !! Learn Something New of your interest !!
Work Hard !! hard work gives you immense confidence for your life !!
When i get bored i just open some book and read !
i dont do what i said myself everyday but i do 50 % of times !