Get another guinea pig, yes or no

My guinea pig is getting old, and she is lonely. I would like to buy or adopt another one, but I was told they would fight. I would get a girl. Please advise!

Brankica: Guinea pigs are social animals but you can never know for sure. Your guinea pig could act protective of her home.

The best thing to do is bring another one and see how the old one reacts. Try to introduce them to each other. If you see they are not getting along, don't adopt a new guinea pig.