Question

why should you set goals for yourself?
to give yourself something to do
to achieve your wants and dreams
to show off to others

Explanation:

Setting goals helps in channeling efforts towards achieving one's desires and long - term aspirations. While having something to do can be a by - product, the main purpose is often related to personal fulfillment. Showing off is not a healthy or primary reason for goal - setting.

Answer:

to achieve your wants and dreams