Go out to play with my sister. She doesn't want to stay in a hotel with me. She wants to live in a youth hostel ... how can I convince her?

She is very entangled, wants to have sex with you, and hesitates, so she is hot and cold. At that time, as long as you are tough, it will happen to you. She was actually a little disappointed in you afterwards because she didn't have sex. Next time, if you like, you can take the initiative, not only hug, but also touch, so that the two can be together unconsciously. It seems to be teaching you bad things, just to make your relationship with her further. Wish you success, my friend.