It happens regularly doesn't it , you are sat there as it gets to 80 minutes thinking this is a good point I'll be happy with this .
The home team score a solitary goal and that changes everything and yet for 95% of the game you are happy .
You get on the train for the journey home and the blame game and emotion kicks in because in reality its the fact a late goals pyssed you off and you have to let it out somewhere .