I love steak it is so crazy that is what I am having for dinner tonight with garlic mash potatoes. 
Wow that sounds delicious i wish i could say the same hahah, When the word "steak" is used without qualification, it normally refers to a Beefsteak
I love mines medium rare so it can keep all it's juices is steak from all cows like baby ones or just full grown cows?
I like mine well-done but  In a larger sense, there are also fish steaks.
I never had fish steaks what kind of fish is it made with?
They are delicious you have to try it, the fish varies you can make fish steak from lot's of fishes
I would probably like salmon with mines since that is my favorite I have had pork steaks I usually grill or bake those have you tried them before?
Yes they are delicious as well,  Steaks are usually grilled, but they are sometimes pan-fried or broiled.