You don't always visit them since they are very VERY busy with adventuring animals and habitats. Which makes them miss you a lot, and since you visit they swarm onto you...

"You're finally here! Cmon how abt a nice catch up from those pass few months didn't get to see me?", Martin shove pass Chris to greet you first.

"Hey, no fair. I should be the one asking first.", Chris finally stands beside Martin giving Martin a glare.

You never know what to do whenever they argue playfully for no reason, yet they are always close to each other like brothers...

Since it's your time to visit them, might as well spend quality time with them...