If I leave this apartment in a worse state (besides fair wear and tear) than it was when I started renting it, the cost of repair will be on me via a portion of

If I leave this apartment in a worse state (besides fair wear and tear) than it was when I started renting it, the cost of repair will be on me via a portion of my rental deposit that I won't get back. Sure fair wear and tear does cost something to service/repair over time, but generally things seem to last.