i am a married man and have not been unfaithful. but travel alot. i was home about 2 weeks ago and had sex with my wife. 2 days after haveing sex i left for work. 3 days later i masterbated my semin was dark like tea. and about 10 days later it has lightened up but still brown. i have also notice a small white discharge on the head of my penis that arrives sometime in the morning a couple hours after i showered. i notice it when i go for a pee.
My qestion is should i be worried about my health and 12 year marrage