Yes perhaps also you can ask the owners show to you few phrase in Spanish also yes for Spanish speaking patrons is good for you to know yes? calmato / tranquilo mi amigo, no te enojesBoth of you did exactly what I did, although we do things differently. I left my knife in its sheath on my belt like Tames D said (sometimes I'd let it show, but mostly concealed). I asked, but got no compliance. I told him to "Go" and pointed away from the taco stand. Still no compliance. I didn't kick him in the knees (my style doesn't condone violence- and certainly not risking the lives of innocent children). My phone would've been the bat signal, if it wasn't dead. So I did what CB Jones said, only I told the manager (perhaps a flaw on my behalf- thank you CB ) The manager said it was okay as long as he stopped bugging the lady. I bought an energy drink, went back and approached the guy who immediately resumed his "on-guard natural stance" as soon as I walked up. I talked to him for a minute. He calmed down. I made him smile. He let his guard down. We popped the tabs on our cans and took our first swigs together. Halfway into his second beer, it must have dawned on him that I was drinking the energy drink, because he decided to leave on his own accord.