Not really
They could make you think they love you for something else (money, power, etc)
As long as you're useful in someway, there will always be people who gonna try to use you.
Well life works like that, you give to get back, you love someone so they love you back. You can't expect to give back nothing or bring nothing into the relationship. Every relationship is a trade of two or more assets. These assets can be beauty, money, energy, pure love or anything. In any case you have to exchange sth for sth else.
They could make you think they love you for something else (money, power, etc)
As long as you're useful in someway, there will always be people who gonna try to use you.