Alright, well if you want to take her out to dinner or buy her something nice from time to time that is not super expensive....I say go for it. DO not..and I mean DO not feel obligated to do this. Do this because you want to.

As for her personal debt....etc..let her handle that. That should be the least of your worries. She will find a way to work things out. It is not your responsibility no matter how you feel about her. Personally I would feel a little weird if a guy I was dating offered to do that for me. I would feel obligated to him...and honestly its my mess...so why drag him into it? I think I would learn more by getting myself out of debt instead of having someone help me.

As for other people and their opinions as to why the two of you are together...tell them to mind their own business. If you honestly feel she is not using you....and that she appreciates the things you buy for her....then thats all that matters.

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Appreciate the good times and learn from the bad times....