It can be caused by either excessive tear production, insufficient tear drainage, or a combination of both. Epiphora can be acute or chronic, most likely everyone has experienced at some point the tearing and irritation that results whenever something gets into our eyes.
Assertive is defined as someone who is self-confident and strong willed, though sometimes domineering or pushy. An example of someone who may be assertive is a car salesman. The definition of assertive is something with a strong taste or smell. An example of a something with an assertive smell is an aged blue cheese.
outspoken - characterized by directness in manner or speech; without subtlety or evasion; blunt talking and straight shooting; a blunt New England farmer; I gave them my candid opinion; forthright criticism; a forthright approach to the problem; tell me what you think--and you may just as well be frank; it is possible to be outspoken without being rude; plainspoken and to the point; a point-blank accusation