Why be in a relationship?

I wonder, why be in a relationship with another person if your still going to be lonely?
Isn't the point of being in a relationship so that you can BE with another person?
I mean, why start something if you know that time is your enemy?
Every moment that could be spent together, should be spent together... no matter how small a time that may be.
For some, just hearing the other person's voice is considered time spent together. Getting an unexpected visit, even for just a few hours is precious. Having your phone ring with a text message, saying how much they miss you is enough. Planning a unexpected meeting somewhere for a few minutes, just to look into each others eyes, is magical.
We get into relationships for the excitement of it, the getting to know a whole other person and what they like to do? What surprises are they going to have for you and you for them? Learning how much you are alike or not alike? Talking about nothing and everything?
Relationships are all about the butterflies and feeling like you are the only two people on the planet that feel this way about each other. Relationships are about being able to accept the flaws and faults of the other person and still have those butterflies.
Relationships are also about planning a possible future together. That does not necessarily mean long term, but what are we doing next weekend, next month, or next year.

Can a person expect to be in a relationship if there is no time spent on the relationship?? I think the old saying is true, " you get out of it, what you put into it".
We are all busy in our day to day lives, and we can get caught up in the mundane of it, but just take a little time out for the one you love and let them know just how much you care.
One shouldn't feel lonely if they are in a relationship that truly matters.