Post Date and Comments on Index Page

Great theme…got a few questions though:

How do you make the post date appear?? Currently, it doesn’t appear either on my index page or in the post page itself.

What about comments?? They are not listed on the index page either?? Ya know…something at the bottom of the post that says Comments(23) that a visitor could click on to view the comments/go to the post page.

Thanks!