A little back ground

From a young age she was taught to fight and where her trust issues began. After her parents died her grandmother trained her to be a skilled fighter, besides that her life was completely normal. One day she has to rescue her uncle who is in trouble and suddenly a new love arises.

Both end up not being to stand each other. Is it just a cover up to how they really feel or do they really can't stand each others presence?

Natasha and fem story
No characters belong to me from Marvel besides the ones I made up
I'm sorry if I use the Italian terms and wording the wrong way it's not my first language I'm just starting to learn it