extreme tired one

Suddenly for 3 months, all the friends I got, suddenly feel like strangers. Like all the years spent with them were for nothing. I couldn't hold a proper conversation with them or even, behave the way I did before. I regret the things I could have done, but didn't. And even now, I'm wasting my days nuaing, thinking theres still time. Is my mindset so bend on thinking its not worth it, or even if it is, theres still time. sigh