It sounds like you are extremely lonely and want validation. I completely understand, I have been there. But, is it really a good idea to start dating while you are this emotionally vulnerable?
My 2-cents, for what it is worth, is that you should wait until you are more comfortable being single before dating. In this emotional state, you are really setup for being used, or for falling for the wrong person.
Merry Christmas and best wishes for whatever path you choose.