"...I don't." The answer came easily after a moment. There was a pause. "I like having a roommate." Another pause. "...I like having you as my roommate."
That last part had been a little hard for him to squeeze out.
Other options:
no subject
"...I don't." The answer came easily after a moment. There was a pause. "I like having a roommate." Another pause. "...I like having you as my roommate."
That last part had been a little hard for him to squeeze out.