DH has a daughter from a previous relationship, his daughter doesn't live with us but has a child who she cannot find care for most weekends and we watch. Well due to the fact that the kid is over we have had to put finishing construction projects on hold, miss my family events and numerous other problems. Dh sees nothing wrong and won't say anything. I'm fed up, and frankly nervous that when I bring home baby she will think since I'm home she can drop her kid off anytime. Which is not the case because I want bonding time with my kid and my husband. But for now we need to start working on our house again to be ready for June. How do I politely tell Dh that this needs to stop/become less frequent and she needs to find a more permanent solution to her babysitting issues?