My son left for college eight months after his dad died, and his sister two years after that. It was so hard to say goodbye to them because I was also saying goodbye to the part of me that took care of three other people.
I frogmarched my son to the counseling center when I dropped him off, so he could know where it is. He did end up using it.
He is 24 on Friday, has a great girlfriend, did well in school and is interviewing for a great job tomorrow. His sister is a senior in college, also doing well, has a great boyfriend.
So they're both doing well by any measure but it will never never ever be okay that they have achieved all this without their father being there to celebrate with them and wipe a tear away with me. And that he will never know the people who will likely be their spouses. He would have liked both of them so much.