Not a lot. Many textbooks suggest that if the mean is less than the median the distribution is positively skewed or skewed to the right. But, this is not necessarily true and the rule of thumb is...
In basic Mathematics students are taught about the Number Line. This is a straight line with a point identified as 0 (zero). Numbers to the right of zero are positive numbers such as 1, 2, 3,...
Less than three means i luve you. becayse if you look at the key board and make the less then sign (this thingy <) and then add three after it (3) and put it together it looks like a heart (<3)...