Hi there, we can help you out!
In the email you received when you initially requested account deletion, there should be a link you can click if you want to undo the deletion request. Go ahead and click on that. You will be taken to a page that looks like the below. Go ahead and log in using either username/email + password or the Facebook login option, whichever you used initially to create your LIFE Fasting app account.
Once you log in you will want to click on the icon in the top right corner of the screen, as noted below.
After you click on the circular icon, click on where it lists your email address (noted below in black).
You will be taken to a screen that looks like the one below. Go ahead and click on "Cancel Account Deletion". Once you do that, feel free to close out your browser, you should be all set!