My wife loves seafood, but i dont eat it because im allergic 
Seafood is usually composed of fish and shellfish. Are you allergic to both?
Im allergic to shellfish.  I just dont like fish lol
Molluscs, crustaceans, and echinoderms are all types of shellfish and allergies do seem to be quite common. It's a shame you don't like fish it is usually healthy. 
yea, its usually in a lot of diets that I look up, but Ive never like them.  I even hated my pet goldfish when I was younger
Oh no poor fishy. Yeah seafood is an important source of protein in coastal areas around the world.
What is your favorite type of seafood?
I generally really enjoy fish, I prefer fish that has been farmed in a responsible manner through aquaculture. 
Wait people farm fish?  do they plant them and everything?
Aquaculture
Aquaculture (less commonly spelled aquiculture), also known as aquafarming, is the farming of fish, crustaceans, molluscs, aquatic plants, algae, and other organisms. Aquaculture involves cultivating freshwater and saltwater populations under controlled conditions, and can be contrasted with commercial fishing, which is the harvesting of wild fish. Mariculture refers to aquaculture practiced in marine environments and in underwater habitats.
According to the Food and Agriculture Organization (FAO), aquaculture "is understood to mean the farming of aquatic organisms including fish,
List of types of seafood
The following is a list of types of seafood. Seafood is any form of sea life regarded as food by humans. It prominently includes fish, shellfish, and roe. Shellfish include various species of molluscs, crustaceans, and echinoderms. Historically, sea mammals such as whales and dolphins have been consumed as food, though that happens to a lesser extent in modern times. Edible sea plants, such as some seaweeds and microalgae, are widely eaten as seafood around the world, especially in Asia