Maybe you could write something like: "Hey let's drink some beer and organize an exhibition together!" or "Wow, your stuff sucks so bad. Why don't you take it offline and hide your shame forever in your bathroom?!"
I don't mind what you think, as long as you share it with me.
Hey there I know this annoying but I have to ask for your permission, to throw some cookies around. Cookies are giving me insights into user behavior, so I can see which projects are most viewed, which pages are taking too much time to load and so on.