Can somebody help me?

I have been struggling a lot recently with everyday life/life in general. I question if I am ever going to get better... A friend of mine recently told me she has traits of Austim. 

I read up on signs of autism and it sounds a lot like my day to day life and now I am questioning if I have it because I experience majority of these signs everyday. 

I'm unsure whether to talk to my Mum about it, because whenever I talk about mental health with her she brushes it off and I'm afraid she will do the same this time and not listen to me. Do I need to go and speak to somebody about how I am feeling to get a diagnosis? 

I am struggling with everything lately and I need help on what to do... Can anyone give me any advice?