What Causes Sticky Liquid Drops From Penis Before And After Urinating?

i am dropping a sticky liquid shape drops,look like strong water of rice or maybe same as sperm, one drop or 2 or 3 and some time it looks like a little much from my penis when i wan to go to bathroom i mean after urinating or some time before it , and some time when it being large and a little hot anywhere at cars or buses or in sleeping then after being normal again, so on top of my penis there is shown a very sticky water drop like sugar melt in water,but the problem is that drops after or before urine when i go to bathroom