Good beginner information.

The majority of the tells listed say 'usually, probably or may', but this one:

Quote Originally Posted by mat the maori View Post
•Rapid Breathing
Some players can control the shakes, but it's harder to control the automatic heart-racing that comes when you see pocket aces or hit the flop really hard. If you can see a player's chest visibly rising and falling, they have an excellent hand
It should read usually, probably or may have an excellent hand. You just can't say anything concrete like that.