Please help

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2 years ago i met this girl who is my coworker, she started to talk with me and we clicked very good but after sometime i switch department at work and we stopped talking as often, This spring she suddenly contacted me and asked if i wanted to go on a 4 month backpacktrip with her, My first reaction was yes and she started to lightly message me every now and then all cool basically we were just talking about how to arrange our trip which we will go on later this year.
But after some day a month ago we started to talk alot more and our talks became alot more personal i told her alot of my secrets and she told me some of hers, And now for about a month we have been talking daily pretty much constantly and if i don't respond fast enough she starts spamming me asking me what iam doing etc..
She also started to drunk call/text/snap me late at night and our conversations on messenger extends deep into the night until she falls asleep with her phone in her hands.
She currently is on a trip in the US (We are European) and she talks/texts to me everytime she have wifi.
Sounds great doesn't it? now here comes the catch we are both very honest and we don't have anything to hide we always give straight answers (or so i think we do) We got on the topic of sex etc.. and she without any doubt talked about how she is not looking for a relationship but if it happens then it happens, she also has no shame in telling me about previous ONS and other stuff which concerns me as i have grown to like here alot but iam uncertain if she likes in "that way" due to her saying this.
She wants to hangout as soon as she comes home but we have very little free time as we both will work the summer and iam going on my own trip for a week to another European country.
She always say that she wants me to hold her and comfort her whenever she gets sad (which she do quite often) and she wants me to pat her until she falls asleep etc..
/adv/ what is her endgoal? Iam too confused to answer what it is..