Activity of Poppy

Can anyone advise how long it took for them to receive their marriage certificate after their civil ceremony? I get married on a Thursday so wondering how long it will take to arrive as I need to apply for a new passport asap

Does anyone have any experience with post dated passports? I get married at the end of August and me and my partner are planning to go travelling the beginning of October. If we were just going for a couple of weeks I would travel with my maiden name...

Has anyone figured out how to sleep whilst planning a wedding? I lay awake for hours every night just thinking about the silliest things. As far as I know we're on track with planning so there's no real reason to stress but my brain doesn't seem to...