Is OTHER wrong in the post ? POST : thanks for all the help in advance and apologies for any if all grammar mistakes haha. 

Good or bad just need to dialog people.

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My sister has come to visit me for 3 weeks (i live overseas). She and i have been close for many years, we call each other best friends and we get along very well. I haven't seen here in 2 1/2 years and when i saw her last week, it was great to catch up with her. Shes always open and a good person to have discussions with. However, there have been a few things she has been saying or doing that have been bothering me this first week shes visited. 

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After a week of her visiting me we take a trip overseas for new years. The trip is going fine but one of the things that have been bothering me really gets under my skin. I've asked here multiply times for her not to do it but she keeps doing it or says " i do it cause im like our mother". The mother joke was funny at first but now it has really gotten under my skin. However, i still just drop it and let it go. Later in the same day we are checking into our hostel. I had to book us a separate rooms (mixed room because im male and females cause she is a girl)  . As the hostel managers tell us this i make the joke "ill take the ladies room key" and my sister yells very loud and within in ear shot of other guests in the lobby "don't be such a creep!". I was very shocked and embarrassed cause it seemed like she was trying to shame me in front of other people. (the joke can be seem creepy but people always mistake me as woman/my sister makes jokes about me cause i look like a woman cause i have long hair and such.) After this incident i didn't want to be angry and be mad so i do my normal process of shutting down, being quiet and distant so i dont say or do anything that could very hurtfully cause i was in a rage state. so i avoid my sister the whole night, go out for a walk by myself, go to bed early.

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Next day i wake up in the morning and just act normal with my sis. don't comment on the things that bugged me and just let it go. haha. we do some sightseeing in the morning for awhile and than we get breakfast . while at breakfast i happen to look at my sisters phone and read a text she has open. (i never read other peoples phones/look at their personal stuff  cause  i dont want them doing it to me. respect each others privacy) . what i saw she sent to her close friend was "all he has been doing is looking at girls and like degrading girls" (not sure if that was the whole text so i could be wrong and im being an asshole).  When i see this i legit get angry and go off a bit. I felt very betrayed that my sister/ best friend would talk behind my back negatively. 

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first: it bothers me because i never talk about the things that bother me about my sister to anyone. shes my best friend and even the days were im mad at her or she annoys me i dont say anything about it to anyone. i say it to her.  i have a dialog with her. i just never thought my sister would do something like this. I feel like i cant trust her now cause she will take any my opinions and tell everyone about them. i dont like people telling wrong portrayals of me (unless that person has met me and made their own conclusion about me). 

secondly: I'm a very shy guy and can never talk to girls. im always trying to respect woman cause my best friend is my sister, im close with my mom and i hangout with alot of girls. I try my best everyday to be a living example of integrity, and degrading woman is not in that definition. she has told me years ago i am  " hyper-sexually". when she told me that i made sure to turn things down or just not bringing up those topics up with her. during this trip, (to my memory) i might have noticed a girl in passing and took a look at her or said to my sister" that girl looks good". 

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now in the past few days ive only answered her questions with yes or no. or given her the information she needs. try and not say anything that might cause her to assume something about me or misinterpret my opinion. I usually can forgive and not care. but with this i can forgive her but i dont want to trust her. and now im sure im making things awkward cause  i dont want to talk to her unless its necessary. 

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So im sure many of you  will agree, im being an asshole. thoughts? 

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