<human>: Can you provide a brief overview of the text?

The landlord of the townhouse I moved into about a month ago has literally no idea about the condition the last tenants left it in. He did not inspect it or have it cleaned when they moved out. I recently discovered from his daughter that also lives in the house that there are mice. And my other roommate told me that they have been there since before the previous tenants moved out. 

Due to the landlord being difficult, refusing more than bare maintenance and trying to pin the blame on me for all the pre-existing issues in the house because he lives far away, I am strongly considering terminating the lease.

He has said if I do decide to do that I will be responsible for Rent for July and August, plus a semester of rent to cover his losses. My lease began on August 1st and says nothing anywhere about any lease termination fees or requirements.
<bot>: So, my question is: Can he actually demand all this money from me in the event that I do terminate the lease if it is not written in the lease?