After a while, you just can’t cry anymore. You just have to believe that what happens is what’s supposed to happen and you can’t change that, even if you tried. So just dry the tears and hope that tomorrow will be a better day.
How can you possibly say no? You know and understand that your friend has been stressed out and needs cheering up, and you'd really like to help them as you hate seeing people sad. And if you don't go just so you can relax, does that mean you're selfish? How can you choose what to do? Take a read