Having friend is important, but more important than that is you keep and have good relationship with them. Also these days money play an important role in our lives. It is a big problem to borrow money from your friends because I think borrowing money from friends can harm this relationship.
First of all, friendship is a two way road and both side of this relation have some expectations from each other. For example if my friend borrowed me some money, he expected that I would return that money before its deadline and if I did not do that, he would have some bad thoughts about me.
Secondly, Money is vital these days. Maybe your friend that borrowed you that money does not have good financial conditions and he anticipate you to turn back that money as soon as possible.
In spite of this, your friend is the easiest way to borrow money. because they can borrow you money without run boring business processes. Also we have friend to use their helps in this type of situations.
I think the main point is to sure that we can pay of loan or not. And never borrow money from our friends because friendship is more significant than money.