Will you expand with metal tables and chairs in the adjacent yard across the alley way to maybe triple the revenue and good reputation?

Everything is fine for me

Parking problem: use public transit or parking at 7-11.

True but then parking becomes a major problem.

In addition to the parking issue this might cause, some businesses prefer to keep it small to maintain and preserve the "feel", quality, and consistency of the restaurant. I'm thinking of places like Word Of Mouth. Just another consideration.