Whom did he ask? He didn't ask the bartender, he just walked into the bar and asked, so who is the "he" that replied? Also, being in the Star Wars universe, shouldn't the Storm Trooper walk into a cantina? Finally, the Storm Trooper should have a response, as outlined below:

Why can't I hold all these truths?

Why would the avalanche run from itself..? Sense not making, you are.