A Japanese word that translates to English as "I Love You" (In a romantic way)
You could also try saying "Daisuki" to a person you are interested in.
Or you could say "Aishiteru" to a person you are in a serious relationship with.
"Koishiteru" Is used best when saying it to someone you want to spend the rest of your life with.
What more is to say than he is the true definition of awesomeness. You will never ever find someone as good as him and he is a true bro. And let's be honest ladies LOVE this guy. Best lover someone can find and if you ever find a koosha never let go.
Jennifer: Yesterday I went on a date with this guy and he was a true gentleman. He was funny and sexy and the sex was amazing
Rebecca: Wow Jenny looks like you found a koosha.