Aside from getting up late it's cooking a roast dinner then pseudo-planning the "leftover meat" meal for Monday evening (which is often better than the Sunday roast itself).
When I was with my ex, it was a bit of morning rumpty pumpty, maybe a bacon buttie, then take the for a walk to a country pub, back home and watch a film whilst waiting for the roast to cook, then chill out over a bottle of wine in the evening
Nowadays I just have an angry wank