First, read the English article below.

There’s no single sign that someone wants to be kissed, but you can pay close attention to how she engages and interacts with you to get insight into whether she might welcome your affection.  Does she hold eye contact? If she looks directly into your eyes and maintains solid eye contact, it’s a sign that, at the very least, she’s engaged with you in the conversation. Notice as well if her eyes seem to get large while looking at you. Often when people like what they see, their pupils will dilate and their eyes will widen slightly. Does she smile and laugh? If she sincerely smiles and laughs at appropriate times during the conversation, it will tell you she’s enjoying the conversation. That in and of itself isn’t a reason to immediately go in for a kiss, but it’s a good sign. Does she keep glancing at your lips? If so, it may be a sign she’s thinking about kissing. But take it in context, though, because she may also just be in the habit of glancing at someone’s mouth when they talk. If you pay attention, it’s often relatively easy to pick up on her feelings about the relationship between you.  If she seems bored or anxious to get through the date, it’s most often a pretty clear sign she’s not going to feel ready for a kiss. If she’s enthusiastic during the date and suggests you go somewhere else to prolong the date--to get coffee, go for a walk, etc.--it’s a good sign that she’s enjoying the date and may be open to a goodnight kiss. You can often tell quite a bit about how the other person is feeling about the date simply by what they talk about.  If she’s actively involved in the conversation and asks questions that are aimed at getting to know you better, it’s a signal that she’s interested in you and may be developing some affection. If she talks mostly about herself, dismisses your comments, or sits in stony silence, take that as a pretty clear cue she isn’t very interested. If the conversation turns toward increasingly intimate subjects, it’s often a sign you’re both comfortable and perhaps also... 

Now, please write a short abstract for it in Chinese. Abstract:
在聊天中，密切留意她与你的交流。 聊天时，注意女生的热情程度。 聊天中注意女生的态度。