["My sister graduated college and I'm really proud of her!", 'that is a great news, congratulate him from my side too. what is the major?', "Her major was marketing so she's going into the business world. She's had a rough journey."]
If the journey is tough then you are in the right path. So, she is heading in right way. Great.
I'm so happy my sister graduated college! It's been a rough journey for her