There are few Indonesians indeed who would not like to talk about the achievements and accomplishments of their offspring. In future meetings, ask about these topics. Remember, a Bapak has a very specific status and many formalities must be observed, but questions so personal that they may make a westerner uncomfortable, are not among them. This is probably the most important thing to remember in maintaining Western-Indonesian business relationships. Yelling does not help the situation.
Javanese culture separates the inner and outer beings of a person.
One of the classic traits of Kejawen, or being Javanese, is to maintain an outward state of calm. Displays of negative emotion on the part of a Western businessman may confuse and embarrass an Indonesian counterpart. The result of such confusion or embarrassment may be a withdrawal of the Bapak from the relationship with the offending party. Regardless of how angry you may become, don t show it and keep smiling. One of the classic traits of Kejawen, or being Javanese, is to maintain an outward state of calm.