S1·E4 It's Called Depression

Present:

Approaching their 26th wedding anniversary, M.E. and Colliar are at odds and they each seek out Rene for answers about the other; Rene struggles to interject a note of friendship into a relationship with a new man who doesn't seem to want anything but sex; Colliar's plans for a romantic anniversary celebration turn out well, if not out quite the way he expected.

Past:

After M.E. gets into a scrap with Tully, Catherine insists that she attend charm school; Colliar and M.E. share their first kiss.