What is the meaning of suddenly losing a rock hard erection after days of masturbation?

thats not erectile dysfunction, thats just your willy being tired from overwork.

It simply means that your ejaculatory ducts are just produing way too much sperm and need to rest after coming so much.Don't worry,the only time a man can ever get ED(erectile disfunction)is if his thinking of things way too much or if something is turning him off.Basically,what I'm trying to say is it's all in the head,ED is strickly caused by an overactive brain......nothing to worry about,but if you are worried about losing an erection after so many days of masterbation,it's normal,you've simply exhausted your erectile tissue from the cum.

If this problem persists after you calm down on masterbating,then consult your physician about the issue and see that it gets checked out immediately.

it was tired

Corporate finance is an area of finance dealing with the financial decisions corporations make and the tools and analysis used to make these decisions. The primary goal of corporate finance is to maximize corporate value while reducing the firm's financial risks. Although it is in principle different from managerial finance which studies the financial decisions of all firms, rather than corporations alone, the main concepts in the study of corporate finance are applicable to the financial problems of all kinds of firms.

The discipline can be divided into long-term and short-term decisions and techniques. Capital investment decisions are long-term choices about which projects receive investment, whether to finance that investment with equity or debt, and when or whether to pay dividends to shareholders. On the other hand, the short term decisions can be grouped under the heading "Working capital management". This subject deals with the short-term balance of current assets and current liabilities; the focus here is on managing cash, inventories, and short-term borrowing and lending (such as the terms on credit extended to customers).

The terms Corporate finance and Corporate financier are also associated with investment banking. The typical role of an investment banker is to evaluate investment projects for a bank to make investment decisions.

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It all depends on the person..If they are whacking it multiple times a day it might screw up the sensativity and even might force you into a mental problem where you might not be able to perform because your used to your hand.

It is not ED . Kinds of an impotence:

1 The organic impotence

2 The psychological impotence