Answer:
Andy should look and identify his field of interest before choosing a specific career path. If she has none of preferences for his career choice then se can look for other factors to select specific career path.
Step-by-step explanation:
Andy's grandfather has spend his life in building trades and he is a successful person. He thinks Andy should choose same career path as he did and he can be successful too but this is not the case. The thing can be different in this era, the preferences and nature of Andy might be different from his grand father. There are many others factors which also need to be considered as the job security, learning potential in the field, progress in career, wages and pay rise, working environment and others.