A host of lifestyle factors like sitting for long hours , smoking and obesity could be damaging male fertility
What you can do
Put your drinks down as it effects both sperm quality and libido.But effects can be reversed when you stop drinking.
-Exercise. A 2017 study found that doing at least 50 minutes of moderate exercise,thrice a week for 16 weeks increased sperm volume and concentration in 45 sedentary.
-keep phone out of your pocket
-get atleast seven hour of shut -eye and quit smoking