hmmm..
Where is your daughter in all this?
Living with you?
Is she exposed to the BF?
What are your choices saying to her?
Would you want her to live the example you are giving her?
She is the ONLY being in this scenario who made NO choices here, and has no ability to MAKE her own choices in this scenario. YOU are responsible for making choices FOR HER, that protect her and are in her best interests.
SHE should be your first priority.
My 2 cents...