That is very possible Max, you may well be ectomorphic meaning it is hard if not impossible to get muscular, on the up side it's also hard to get fat! I thought I was endomorphic when I was younger but turns out I'm mesomorphic.
A good way to find out what you should be eating, and whether you are healthy is with this:
http://www.scientificpsychic.com/fitness/diet.html
Also very flattering haha, I have an athletic build and need to eat more protein...but I also have to start to circuit training! I intend to pick that up over the holidays.