Laptop (and crossed fingers)

So lately Pendora (my laptop) has not been working well. There's nothing wrong with the way she does anything, and she's fast enough I suppose. It's the power supply cord. The cord no longer looks nice, after having been repaired multiple times. but the main problem isn't cosmetics - the cord simply no longer supplies power. SO I've had my dad take it to someone and he fixed it. then it broke again and my dad fixed it. and then one more time and my dad fixed it. I think the next time it breaks I shall simply petition for a new one. :(
But hopefully it won't break! The best option is that I'm really careful with it and don't drop it, bump it, touch the cords at the back, or breathe on it while it's plugged in!