I loved Mattie too. I think what made me like her so much was that she was just a normal girl even though she had been through so much. Losing both parents at such a young age, for example, could've caused her to become quite hostile and bitter, but it didn't for the most part and that was always something I admired about her.
I started to warm to her a lot more after her spoilt brat phase was over too. I tried to warm to her in 2004, but it didn't really work! She definitely started to mature and become more 'wordly wise' if that's the right word from 2005 onwards, though. I'm not really sure what brought about that change in attitude, but it was like she felt more settled and included. We know she hated the idea of living in the Bay to begin with, but by 2005 I think she really came around to the idea that maybe it wasn't so bad and tried to adjust herself to it, which was an interesting change to see happen. She also started to respect people for the decisions they made instead of shooting them down, which is something she probably would've done in 2004 had she have gotten the chance, and on the whole just became a lot more likeable.
Her relationship with Lucas, both as a boyfriend and as a step brother, was probably one of the most interesting alongside Cassie and Ric. While I really enjoyed Lucas and Mattie as a couple - the banter and cutesy stuff I loved - it was only when they were apart that I realized that I preferred them separate. I don't know why, but I just liked them more when they were on their own and hanging out as friends. I'm still not sure, though, as to whether I preffered Ric and Mattie or Lucas and Mattie as a couple. I think both relationships showed a different side to all of the characters involved, particularly Matilda, but whether I liked one more over the other is hard to judge. When she was with Lucas, she wasn't as wise or grown up as she was with Ric and so everything felt more casual and laid back. But with Ric I felt her relationship was more strong and intense and lacked that playful and fun attitude she had with Lucas. So I'm on the fence .
My favourite storyline for Mattie is a toss up between the bulimia storyline and Beth's death. I don't think I can honestly pick out of those two, as I think they were each great in their own right. The bulimia storyline really got into Mattie's head as to how she viewed herself and the way in which she handled Beth dying was sort of an example of how she'd grown up and was able to face the world in a more confident way. For me, those storylines each showed something different about her character and were an absolute highlight of what a talented actress Indiana is, so I'm going to cheat and say both .