After realizing they're the better couple than Barney and Robin, the stop their fighting and just kiss.
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OMG. Barney and Lily kiss in the upcoming episode of How I Met Your Mother. Okay, granted it's just a dream sequence, but intense none the less!
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As Barney pictures what his life would be like married to Lily, the two of them get a little frisky. Wow we're feeling awkward.
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As Barney pictures what his life would be like married to Lily, he holds her loving in his lap in this upcoming episode of HIMYM.
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Marshall pops open a bottle of champagne to celebrate with Lily in the upcoming episode of HIMYM, "Bagpipes."
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Lily and Marshall sit down to talk with Barney and Robin after they have their first fight in the upcoming episode of HIMYM, "Bagpipes."
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Lily looks a bit horrified to be hearing some news from Marshall in the upcoming HIMYM episode, "Bagpipes."
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Barney and Robin had their first major fight as a couple on the next episode of HIMYM, "Bagpipes."
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How I Met Your Mother Season 5 Episode 6 Quotes

Barney: Robin and I have been keeping track of how many beds we've had sex in. We've had sex in 83 and a half beds
Ted: A half?
Barney: 19th century ottoman in an antique space

Robin: Okay, this is ridiculous. I can't believe these two are still bagpiping
Ted: Enough! It's been six hours1 It must be that new tantric bagpiping that Sting is into
Robin: She keeps yelling at him to play the bigpipes louder, but it sounds like she's bagpiping him pretty hard. There's a glass of water in my bedroom that's vibrating like Jurassic Park
Ted: You have neighbors, so shut the bagpipes up!