Simple/Past tense: That's the reason I come/came here

Hi teachers

[color=blue]That’s the reason I come here.

That’s the reason I came here.

Which one should I use? and in which circumstance?

Thanks in advance


Hi Jupiter,

Let me turn these into questions.

Why do you come here?
I come here (regularly) because I like the food in this restaurant.

Why did you come here?

I came here (on this one occasion) because someone told me the food was very good.