just leave me alone and i'll be happy

D.'s parents are coming to visit and I'm feeling eh about it. His parents are very nice people, we all get along well. It's just that they're coming for a WEEK, and staying with us. In our apartment with only one bathroom that shares a wall with our bedroom and wakes me up when someone takes a shower at 6am. Gah. In general, I am a person who needs a lot of alone time. I can stand, and even enjoy, being around D. for days straight, but he's the only person I've ever been able to tolerate like that. With most people, after a day or two I just want them to leave me by myself to think my thoughts and do what I want without having to socialize with them or be entertaining. It's not so much that D.'s parents expect entertainment, but that I have to constantly be "on": friendly, smiling, enthusiastic about the activities they want to do, participating in lots of conversations, etc. That just wipes me out, and with the 6am shower wakeup I become frustrated and grouchy and then even more so because I am still pretending to be "on" (see above). I don't know what to do about this, and it's not constrained to D.'s parents, it's my family too. However, my family only visits for 2 or 3 days at a time, which more or less stays within my limit of tolerance. I never had a chance to suggest that D.'s family come for a shorter time, because they just went ahead and bought plane tickets. I don't think I can suggest (in future) that they stay in a hotel, because D. will be hurt that I don't want his parents around and his parents will no doubt be insulted in some manner. Thinking about it further, I don't really feel eh, it's more along the lines of actively dreading the coming week. Sometimes I really regret getting an apartment with a second bedroom.