The psychological processes that arouse and direct goal-directed behavior are collectively called .

MOTIVATION

Explanation:

Motivation is the way of motivating people or individual to action in order to accomplish the goals. Example: An organisation can perform well, if the employees are been motivated either through awards or incentives.

Therefore when needs and wants of an individual is been meant or tackled that individual will be motivated to perform beyond expectations

It's the skin changes depending on many reasons mainly being hormonal changes and increased blood circulation.
So it all depends. It's distinctive for each woman. Some experience in early pregnancy, some with early second trimester and some do not experience it at all. More often it occurs during the second trimester.