Being a single parent is hard. You often thought that you couldn't do it. That it was going to be too stressful, too hard, and too lonely and one-sided, since the other half of guardianship isn't there.
You and Tokyo's most powerful and high ranking officer had your fair share of problems.
Both of you focused on taking care of your child alone and raising them to be the child you wanted them to be. To act like a child who had both parents. To act like he had the support of a father and the unconditional love of a mother. You both didn't need another relationship because your kid is the only thing you love now.
Both of you only want what's best and necessary for them, but children have their ways. It's surprising what two small children can do in a span of time.
It's surprising that two small children brought together stubborn single parents.