(Twass) Not necessarily. I've had a 'plugged into the mains' laptop that lasted for years. It's just a pain when you have to move the laptop. You have to run like hell to reach the next plug socket in time before it shuts down.
However, you had better remove those compromising photos from your laptop just in case it needs to go in for repair.
Windows 7, ah the good old days. Digital death imminent.
How tired are you today on a scale of one to ten. (ten being absolutely knackered).