Is woman's intuition always right?

Do you think guys are so direct and up front with their actions that if you haven't been getting that nagging feeling that a guy is interested in you - he most probably isn't?

If your woman's intuition isn't kicking in due to the messaging, staring and other obvious behaviors - then are you most likely not the object of a mans interest? Are their guys who are even more conservative with their emotions and successfully hide them and kinda throw intuition for a loop? Basically if your not thinking "damn he's into me" - he isn't into you?