The first came in February 2011, after Clarke and her co-stars had finished shooting season 1.

Id had an aneurysm, an arterial rupture.

She underwent brain surgery, which appeared to fix the problem.

91st Academy Awards - Arrivals, Los Angeles, USA - 24 Feb 2019

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I was 24 years old.

Things got worse from there.

She underwent another surgery, similar to the first, but this one failed.

The recovery was even more painful than it had been after the first surgery, Clarke writes.

I looked as though I had been through a war more gruesome than any that Daenerys experienced.

I emerged from the operation with a drain coming out of my head.

Bits of my skull had been replaced by titanium.

And there was, above all, the constant worry about cognitive or sensory losses.

Would it be concentration?

Now I tell people that what it robbed me of is good taste in men.

But, of course, none of this seemed remotely funny at the time.

Read Clarkes essay in full atThe New Yorker.