In the 50s and 60s robots were very mechanical in appearance, and extremely clumsy. In the 70s and 80s their movement was more lifelike. In the 90s, and now the 2000s they have become more human-like; even showing emotion and facial expression.
The reality is, in the coming decades human-robot relationships of the romantic nature are expected to become something commonplace. For those who can't find the "real thing," forget the blow-up doll in the closet…no more lonely hearts club…a robot will be able to carry on a conversation of sorts with a partner….among other things.
The Japanese made a very lifelike robot back in 2006. Except for the "Hello Kitty" shirt, that's a pretty convincing robot.

Actroid Der-2
See what Dutch researcher, Vincent Wiegel has to say about the fact that….
In 2050, your lover may be a ... robot ç here