"Yes, they can." Rolf nodded in agreement. "We'll have plenty of time for that trip later, right now we're going to focus on taking care of things here." There was the house, and Luna's father, and the boys. Things were changing while they'd been out of the country - perhaps it was time they stayed and started helping.
"You boys just focus on work and staying safe, your mother and I will take care of the rest." He assured them both. They had all the time in the world to go around the world chasing after things, but right now they were needed here and Rolf could do that for his boys.