Come on, its my second pose
He's providing critCIAm, not having a dig at your mediocre posing. Listen to him, what he's saying may help you in making better poses.
Another thing to think about is whether the state they're in looks natural. For example, a lot of things newbies do is have straight legs and arms. Simply bending them slightly forward makes everything look a whole lot more natural.
To pose well, you also have to use a lot of effort.