Ok so if any hair dressers/stylists/anyone who knows what they’re talking about could help PLEASE!

I’m half Indian half white and I have curly brown hair(about 2b). My mum has really curly/poofy hair (id say a solid 3B) but she always has it straight so I can’t go to her for help. My problem is that my hair is really, really thick. And I love that, don’t get me wrong. I just feel that because of the weight of my hair, it’s pulled my curls down, so I cut it to about shoulder length....and it only really helped a little bit. The hair towards the back of the head/next to my neck is really curly and I love it...however the curls at the front/top only go into curls if I specifically wet and twist them but if I brush my hands through them at all they just unravel into these weird looking flicks. Any advice? as conditioning my hair just makes the curls not even form and diffusing just make me lose all definition xxx any help would be MUCH appreciated