That is solely up to the unit, but in short yes. Though I can't say it will always be successful. I had my operator not too long ago sobbing to me how another unit rejected her affections for her. She's fine now though.
Fishing, fighting, racing a certain gloating machine, and watching Emil drive in circles for seemingly hours on end. I'm not sure why but I find it amusing. I could list more but I'd rather not.