Frequency, Intensity, Time, and Type (FITT)
I would think more relaxed would be the best option since exercise can help with stress.
The safest kinds of foods Tomas could give to the baby are infant cereal that is made with his mother's breast milk or if the baby is not breastfed then with the formula milk that they are given, never cow's milk. He could also try to give the baby pureed foods that consiste of only one item and no seasonings in it at all.