I don’t know where I’m going wrong

Over the past 5 months I went back into my singing after leaving it for 10 years....when I started back my singing I sang a lot in falsetto and got my voice down to a natural tone and projection but now I seem stuck...my voice I know is powerful and strong in tone but I find it now harder to shift up a gear in my voice or to hot stay in mix and aim higher...I do a lot more country music as i feel its more suited for my voice but I would like to try something more upbeat if anyone could help it would be great....I feel awkward posting these....but needs is must....my instagram is Kirkham_made_1989 you will see a lot of my singing post on there....thank you