I would snack on crisps and chocolate and my meals weren't the best. I ate lots of steak with creamy sauces, chips and peas, washed down with wine and a pudding.
That's always something that's really important for an actor - to find an opportunity to do a scene where there is a moment like that, where you manage to connect with everyone.
In a portrait, you have room to have a point of view. The image may not be literally what's going on, but it's representative.