The operation doesn't change anything physically except sperm count in your semen. Vasectomies don't change who you are or how you feel about sex. All it does is prevent pregnancies. Recovery from this surgical procedure varies from individual to individual. The single most important factor has to do with a healthy and informed attitude about the procedure itself.
Most men experience three or four days of mild discomfort after the operation.
Aspirin is usually sufficient to relieve the discomfort. You should expect some bruising around the groin. Private physician's fees differ from practice to practice. Many medical insurance programs pay for vasectomies. Check with your medical claims consultant to find out.