How can I motivate myself to start working out?

I really want to start but i just can't seem to get the motivation. and what are some goo workout routines... like i dont know what to do to excercise what muscle and just what days i should do what haha. i need help on the whole subject :p
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+1 y
and should i be worried about being to skinny haha just got home a couple months ago from a major surgery and lost 20lbs and lets just say i didn't have that weight to lose haha i was originaly 124lbs but i didn't eat for like 4 days off and on
How can I motivate myself to start working out?
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