When you pour your heart and soul into a seat which you think is winnable and watch as it slips...hurts.
Sir Nicholas Soames on Leader of the House Jacob Rees Mogg : ‘an absolute fraud, a living example of what a moderately cut double-breasted suit and a decent tie can do with an ultra-posh voice and a bit of ginger stuck up his arse.’
There is of course the alternative possibility, that you're a paranoid lunatic who should really just accept that sometimes you lose an election. Really. Go out. Get drunk with your friends. Swear a lot. Feel terrible the next day. Move on.
That is precisely what I did.
That's basically been my life since polling day. Apart from the 'moving on' bit, obviously.