You can't copy facebook pictures any more, you have to download them. The button is below and left of the picture when it pops up.
That's illegal.
You should save it first if you want to upload it, or you can post a link to the picture.
Go to another application
Personally, I think it's fine to look at them every once in a while, but once you start to stare at it for long periods of time, you'll know that you're starting to obsess over her/him.