I agree he should've shown expressed more delight, but you can understand his empathy especially from GK to GK. Hypothetically, if arsenal were to score a last minute penalty v's Chelsea I would expect a similar reaction from Cech. IMO it shows he's passionate about the game, and though I agree...
About to buy my first season ticket, Past few seasons have been in n1d/c, still think anywhere in the back 12 rows will be bouncing or more to one side?