The tricky part is making it sound genuine instead of it sounding like you're reading from a script. It might help if you imagine you're talking to a friend instead of into a microphone.
I found myself laughing when you failed, so you might want to run with that. Or I might just have a weird sense of humour (likely).
@ bored
Stop pretending you have more important things to do than watch a youtube video. It's obvious you don't, since you did watch a youtube video.
"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
*Image indefinitely borrowed from BrainBoxLtd without his consent.