in and out of
• being a frequent visitor to (a house) or frequent inmate of (an institution).
• "they were in and out of each other's houses all day"
out of
• indicating the source or derivation of something; from.
• "a bench fashioned out of a fallen tree trunk"
• indicating the dam of a pedigree animal, especially a horse.
• from among (a number).
• "nine times out of ten, companies are the source of such information"
• not having (a particular thing).
• "they had run out of cash"
