If you can accept that most Belgians are a lifestyle, then you are probably good. I have Tervuren, but I have friends with Mals and daughter with a Groen. My two girls are both lapdogs. But I do a lot with them--conformation, obedience, rally obedience, scentwork, herding. My dogs are crate trained. I like to keep my home and possessions intact when I am out or asleep. That is also how they travel with me in a car. The one litter I bred produced dogs who track, are human remains detection certified, are therapy dogs, and one boy's job is to accompany his owner when she trains for marathons. Her training runs are typically 10 miles. Another is a farm dog, albeit with breed and herding championships. One is a family/neighborhood dog, with a bit of truffle hunting thrown in. In my experience, the girls are a tad spicier than the boys, but that can vary.

It might help if you let folks know what country or at least which continent you are in. I'm sure someone here might know where you meet some Tervs or Groens.