Unwelcomed Guest

I have been mulling over this post for the last few days. I wasn't sure if I was going to post it, but in the end I decided that I won't be able to build a bridge and get over it, unless I shared it with the vast masses of blog followers.
My tale begins last week, when my dear sweet sister in law decided to have 14 inches of her colon removed....well...ok... decided is not the best term to use. She needed to have it removed to spare her from a future of pain and misery. Anyways...I digress. She came home from the hospital on Sunday and took to resting comfortably at home. Long week short, she developed a pretty serious infection in her incision, and was feeling pretty crappy to boot. So my dear fam and I went to visit on Friday night, hoping to make her feel better. We stayed only for a short time and when we left she got sick again. I had a horrible feeling in the pit of my stomache and thought that she needed to go to the ER to be checked out.
We left their house with the instructions that we be called if she needed anything, as her hubby was going out hunting the next morning... Fast forward to 10 am next morning, Mindless Daddy receives a text from his niece saying that her mom was quite sick and needed to go to the ER, and asked that I come down. I called sweet neice and told her to give me 30 minutes and I would be on my way. I dropped everything I was doing (not literally because I was holding a hammer..another post...another time) and scooped up Princess and headed out.
I arrived at dear SIL's house she looked horrible, so I shuttled her off to the nearest ER. I stayed with her through the blood tests, iv fluids, and dr's exams. I called family members to notify them when she was being admitted, and took care of everything. Now, don't get me wrong I am not looking to be a martyr, just keep this in mind.
One of the phone calls was to MIL to tell her what was going on. She told me thanks and to let her know when SIL got to her room. I didn't think much of it, hey families run different. If it were my mum she would have beat everyone there and wouldn't leave until I made her. Once we got SIL settled into her room, I left to grab some lunch and check on things with Princess and Sweet Niece. While noshing down a delish cheese burger and fries, MIL calls me and said that she decided she ought to come and be with her daugher. Hey no biggie, she's family, I'm not technically (only by marriage). I asked her to save me a drive and pick up Princess and Sweet Niece on her way.
Scoot scoot scoot ahead about and hour and a half. MIL arrives with the 2 precious packages en tow. I took that time to leave SIL and let her and her daughter and mom chill. So princess and I made our way to the cafeteria and gift shop. When we got back, MIL informed me that I was no longer needed and I could leave....*screech* What the?! She said that I didn't need to bring SIL down and I should have called her... I kind of let her comments roll off, as I didn't want to start a fight or anything. But she kept telling me I could leave and that she would take care of her daughter.
I hung out for another 30 minutes until Mindless Daddy could arrive and check on SIL, then we made a hasty exit. With MIL yelling at me as I walked out the door, "Thanks for bringing her, you didn't need to though." Yeowch... Now I must admit I have never really felt like a part of the In law Family, but this takes the cake. I felt like an uninvited guest at a party. One that no one likes or really wants to be around. I have never felt so unwelcomed or unwanted in my life.