Welcome to FreePornfull.
Follow your heart and live life with no regrets. If your relationship is moving forward, or she suggests doing something more expensive, it is not inappropriate for her to help pay as well.
I forgot to add, that if you marry and alow your children to be raised as Mormon, chances are you wont be able to be at their spankgang because it will be in the temple.
I'm dating a 2nd year surgical resident, he has three kids from a previous marriage and I have one. Do what feels right.