Going on a trip with a friend who makes a lot more money than me. What to do

I'm 22 and I am going on a week long trip this spring with a friend from high school. We did everything together in high school but after high school she went to college and now has a high paying job in tech. I am in a lower paying field. <br><br>I know she probably makes a lot more money than me because she is taking me to Hawaii on her points from getting a credit card she never used. No clue how much she makes but we are from a wealthy area and she is from a wealthy family. <br><br>In the past when we travel together and we eat out or something she doesn't want to split the bill and will pay without warning me. I always make an attempt to pay but she doesn't want me to. I don't want to feel like a poor person so I accepted it and paid her back eventually. <br><br>I don't want to have to spend money on a lot of expensive stuff like fancy restaurants or a fancy hotel or whatever else. I know she is used to that. I know she will probably want to split it and I will have to tell her I can't. I am just worried it will be awkward. <br><br>What should I do in general to make it less awkward and make this trip enjoyable