My lifs first ever relationship at 26, How to deal?

Hi all,
Hope you can help me
(About me I started my first relationship at 26)
I had met a girl(Filipino)through Dating app and had been great for first 7 months, and she returned to her country and continues as LDR till now .During our meetings in initial days confess she had 2 relationships lasting 1.5years in average. one when she's at age21 and another at 23. Both of her breakups due to some reasons(2nd one probably abuse on her), now she is with me with great wisdom and Clarity to start family and kids. Me being so novice in dealing girls and reality been worried about her past and her expectations on me raised pressure on me.
I want to know her more while staying with her everyday, since it's hard because I live in another country.I am so confused with myself as my cultural norms are like marrying a girl with no premarital relationship. But I love this girl and also need to fight my cultural aspect too. If I explain it to her that I need time to convince my parents she says I have no clarity and she can also leave me for our own good (also stressed that she can deal with herself If our relationship didn't work out)
How to deal with it mentally because I love her !!