His friends would sneak off to watchPlanet of the Apesmarathons within minutes of the first suspicious sniffle.

But thats no longer the case.

Our favorite geeks have matured.

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Credit: Michael Yarish/CBS

Howard and Leonard are married.

Penny and Bernadette are trusted cogs in the Sheldon Cooper wheel.

And Raj is dating a doctor.

No one ditches the group.

They are all in this together.

Hes confused why his escape from death doesnt result in victorious applause.

Everyone is quick to remind him of his rude behavior.

Penny cooked and cleaned, Bernadette provided free drugs from work, and Emily offered to examine him.

Not once did he thank anyone for bending over backwards to help him get better.

You may be wondering why Amy wasnt waiting on Sheldon during his bout with the flu.

Shes still at the neurobiology conference.

Ill give you three guesses why she didnt come home.

Leonard thinks that they all deserve a vacation after waiting on Sheldon hand and foot.

He suggests a party bus to Vegas.

Sheldon overhears Leonard planning but opts out when he learns the final destination is Americas urinal cake.

Leonard is quick to inform his roommate that he wasnt invited in the first place.

He starts with Leonard and recites a genuine apology.

He must apologize to everyone.

All aboard the apology train!

and are disillusioned when Sheldon memorializes the moment with commemorative T-shirts.

Penny accepts Sheldons apology just to get him out of the bathroom where shes taking a shower.

Poor Stuart has no idea there was a trip to Vegas.

Emily wonders why Raj is defending his offensive friend.

Raj tells her that he is uncomfortable, and Emily leaves.

Sheldon catches up with her with an additional apology which just makes matters even worse.

Raj reports that Emily will not go to Vegas if Sheldon goes.

No one jumped up and down with glee, but their eyes said, YES!

That weekend, everyone hops on the party bus.

He demands one more chance to apologize to Emily.

But he says hes sorry for them all.

And she forgives him.

Sheldon is experiencing a lot of growth this season.

And can we get Amy back like?

Theoretical Laughter:

Sheldon:I had a 101 fever.

If thats not a time to verbally abuse my loved ones, when is?

Leonard:Come on, you pain in the ass!

Sheldon:Thats me.

Im a pain in the ass, too…