Most cultures around the world use food to show they care. This is probably somehow related to Maslow's Hierarchy of Needs. The most fundamental of these needs is the physiological needs which includes food.
I show my children, husband, friends, and family that I care for them by making nutritious and delicious meals for them. My children show me they love me by giving me chocolate (except when I'm on a diet). I make dinner for friends which shows them I care enough to make an effort.
Whilst here in Toronto we have been entertained and taken out for dinner every night by our Canadian colleagues. We are building working relationships and we are doing this by eating together.
I think they are finding it very odd that I go out to a restaurant with them and sit with them and talk to them but eat nothing and drink only water and green tea. Or sit on my hands as they devour scrumptious sandwiches and salads for lunch. Heck, I'm finding it very hard.
Last night I sat and watched the group around me eat mushroom risotto, rib eye steak, and caribou. Don't even get me started on the desserts.
Everyone seems fairly convinced that I can't live on water and green tea and yet I persists. I hope I haven't insulted anyone and no one is offended by my lack of participation in the metaphorical breaking of the bread. I was there in spirit. I hope that counts.
Besides I've invited them all to the UK after June 8 and promised them some gastronomic delights and more than a few bottles of wine.