if you want him out, tell him. give him a week or two, but tell him.
"i am not comfortable with you smoking pot and i asked about this before you moved in. i need for you to leave my house by X date."
or just change the locks esp if you think he might react irrationally.
I think that lifting a barbell is probably the single most important thing that women can do to improve their body image. Lifting heavy and feeling stronger and seeing how muscle mass changes your body is a phenomenal experience. - Tamara Cohen