boys n girls: To Tell or Not to Tell

I watched a movie recently and came across a scene that completely sucked, but made me wonder a bit. I have no doubt it must happen a lot, and when it does the reactions are always relative to the situation blah blah blah, but generally, what would most people do?

Girl and boy have been together over a year and are so in love, it's disgusting. Their relationship is so perfect, happy couples doubt their own relationships. One rainy day when boy has been away "on business," he returns to open arms only to leave them empty. Tells girl the speech she knows oh so well.


Sidenote: it's so annoying how "it's me not you" couldn't be more appropriate when the time comes to use it. Too bad we have to find an alternative line to blame our change of feelings, in order to avoid jumping right out of the most cliche film. 

Anyway, boy explains all his reasons, which are undeniably rehearsed, yet, seemingly logical. Suddenly, he had a mature revelation and every obstacle and difference that could have been worked through with love won't be overcome. They should have just put the film on mute and added the subtitles "Frankly my dear, I don't love you anymore." 

Not so long after the break up, girl's best girl friends find out boy was cheating on her. Meanwhile, girl has been in a devastated state and has no idea. 

Should her friends: 

a) tell her immediately 

b) wait until time has healed a little more 

c) act dumb to avoid feeding into more of girl's insecurities