Welcome to Flyertalk.

You've made an auspicious beginning, but my advice (which not all share...) is to take it slow and easy. Meet your target spend, keep an eye on your credit score so it doesn't dip too low (Credit Karma is a free monitoring service). Learn how to book awards and enjoy your travel.

You might find that the idea of a free ticket appeals to most people, so your companion pass won't go to waste.