4lbs is a great loss. I'm really happy with that a week and to be honest cos you don't have that much to lose, I think its great that you've lost a stone in 3 weeks! And no, you don't sound pathetic!
Are you going to refeed then or stick with it a little longer? I carried on through my birthday and intend to celebrate it whilst away on hols instead. Afterall, it is only one meal and it can always be celebrated at a later date if you wanted. Good luck with whatever you decide to do and have a great birthday too!