Sometimes a person cannot give the love which friends require, and he even forgets his friends when absorbed in work and his occupation. One may wonder whether this is lack of charity. But the question is, what work and occupation? There are kinds of work and occupation of a high character which ask one's whole attention, and such work requires sacrifice. And that is no lack of charity, because everyone likes to love, but if one can manage to love and be loved at the same time, it is better.