She is like 67 years old, and she complains a lot about how there is too much work, and she can't manage it. She talks behind the boss' back, and always complains about him. There is a lot of lifting and moving to do at my work. I think she should leave if it's too much work for her, right?

you didn't say what kind of work you do or she does. It's a known fact that employers don't want to deal with employees of two vastly different generations in the same work environment, so if eventually the differences are too large then one of you would get moved. It's a matter of generations in that she wants to reach out to you and you and your generation wishes to push away the learned. So my question would be "why are you doing that?" What the younger generation sees as complaining is merely just chatting among the older folks. Avoidance and thinking poorly of someone who knows more than you do is sad on your part. Maybe she just needs to talk with her supervisor, are you that person? Then direct her to her supervisor. Seniors don't whine. and yes you should want to know how she thinks for feels, that's how you will learn. She is only talking to herself because you aren't answering, you're being rude. Again, talk with her supervisor and say that maybe this co-worker needs some workload assistance and leave it at that. They will connect.

The best thing for you to do is to mind your own business and make certain that YOU are meeting your boss' expectations first before you look around at someone else' failings.

If this woman isn't doing her workload, your boss will find out soon enough and fire her. Then, he will be looking around to see who else isn't cutting it, and YOU don't want to be on his radar. He may be mad enough to go looking for someone else to fire. So get busy.

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Edit: Sean doesn't understand anything except how to be ignorant and self centered.

Trust me. I've been working for probably longer than you've been alive, and the one thing that I've learned over the years is that you have to cover your own butt. By making sure that you hold up your end, you ensure your job and future.

Also, if she follows you around and interferes with your work, REPORT HER to your boss. He'll take care of the rest. It's one thing to not do your own work, but when you interfere with someone else' work, that's a different story.

tell her to move on and leave the position for some needy younger person !

Leave her alone.. sounds like you're the one whining...

That's her problem. Just do your job and quit worrying about what your coworkers are up to.