Let's now explore this window further to learn when was a good time.The egg once released possess a lifespan of twelve (12)hours. The egg therefore, needs to be fertilized within this twelve- hour period for conception to occur. The sperm on the other hand can survive approximately 5 days in the reproductive duct. Get rid of junk food and eat a well balanced diet with plenty of lean meat and fruit and veg. Try and eat as naturally from the earth as you can and avoid too many processed foods. In order to increase erections you need to eat phosphorus-full products: sea food, chicken eggs, dairy, vitamin E (which you'll see in vegetable oils, dill, etc) The first basic is you are what you eat!