"You really are a moron, aren't you? Just running through the game, no side quests or nuffin', you could probably finish BG2 in 10 hours. I bet you're so determined not to have fun you rent movies to fast-forward through them..."
teh mane mahn's moronic rambling... ok, whatever. Ad Hom attacks show me that you have nothing more to say in your position.
The fact that there are no side quests and only linear design in HL tells me you haven't played it.
He's talking about Baldur's Gate 2, not Half Life.