The best and convenience way of make your eyes watery naturally is to mention yourself the sorrow memories. Missing the departed family members or the love that past may affect your feeling. If you are a person with sentimental emotion, this way will make your tears run out. The laughter and sneezing will also would makes you burst into tears because the squeeze of the tear gland. Blink your eyes will make the tear nourish your eyes. However, this kind of tear is a small amount that will be hard to find but it is most useful to protect your eyes from dry eyes. The environment of humidity will also help you to keep the water in your eyes.
From what you said, I can see that you might have gotten dry eyes, which is very popular among young people. And if you want to get rid of eye drops, then you are gonna need to improve your health conditions by taking more exercise, having a better diet, and taking vitamin pills on a daily basis. Or better yet, try to consult a doctor and follow his or her advice.
I really want to know why you want to make your eyes watery? Anyway, here are some suggestion that may help you. You can use eyedrops to make your eyes look watery. Besides, the most effective and natural way is to cut onion. It surelly make your eyes watering when you cut onion. But you may also feel burnning eyes. Or, you can try hard to remember some sad story so as to make you cry, thus to get watery eyes.
periodically making the eyes cry or let it teary is beneficial in many ways and for that i looked back into my childhood and got the solution . IT IS ORANGE PEAL .. i remember paying with it to suddenly squeeze it into my friends eyes...it used to burn and water down and its absolutely safe..