Love is a telephone which always keeps silent when you are longing for a call, but rings when you are not ready for it. As a result, we often miss the sweetness from the other end. Love is a telephone which is seldom program-controlled or directly dialed. You cannot get an immediate answer by a mere "hello", let alone go deep into your lover's heart by one call. Usually it had to be relayed by an operator, and you have to be patient in waiting. _  Love is a telephone which is always busy, When you are ready to die for love, you only find, to your disappointment, the line is already occupied by someone else, and you are greeted only by a busy line. This is an eternal regret handed down from generation to generation and you are only one of those who languish for(...) followers. Love is telephone, but it is difficult to seize the center time for dialing, and you will let the opportunity slip if your call is either too early or too late. Love is a telephone which is not always associated with happiness. Honeyed words are transmitted by sound waves, but when the lovers are brought together, the phone serves no purpose that many lovers observe that marriage is the _ of love. Love is a telephone which, when you use it for the first time, makes you so nervous and excited that you either hold the receiver upside down or dial the wrong number. By the time you've calmed down, you will beat a loss to whom you should make the call. Love is a telephone which often has crossed lines. And this usually happens to you unexpectedly. Your time will either cross or be crossed. Both cases are referred to as "triangle". Fortunately, all such occurrences are transient . What is the best title of the passage?
Love is transient Love is permanent Love is a telephone What's love in life