Thanks for your query.Based on the facts that you have posted it appears that you have developed what is called as Posthatis due to excessive sexual encounters.
You have aquired this infection from your wife who is likely to have infection in hervagina. Get her checked by Gyenocologist.
Please take some antibiotics like Doxycycline twice daily along with some metronidazole
for 5 days.and avoid sex till it gets cured.
Get prescription of these drugs from your family physician,