As funny as it seems—at least it was for me, as I sat there on the patio—in my many years of living in Oklahoma City, I had never once been to Kaiser’s Grateful Bean Café, 1039 N. Walker, or any other of its incarnations or iterations. But, after taking my lovable pup Sean to the Midtown Mutts Dog Park last Saturday, my friend and I figured that now would be as good a time as any to try it.