When I heard my siblings play the piano, I really wanted to learn it because it I liked the sound of it.
So my parents let me, and I started learning. In the first few lessons, I was great at the scales and my teacher often rewarded me with stickers :)
But as I started to actually learn songs...
A man in a rowing boat is presently 6km from the nearest point A on the shore. He wants to reach as soon as possible a point B that is a further 20km down the shore from A. If he can row at 8km/hr and run at 10km/hr, how far from A should be land?
From Cambridge Year 11 3unit 10H Question 26
Maybe you're spending too much time memorising Biology instead of studying for physics?
If you're feeling risky, drop bio and all that extra time can be spent on your weaker subjects.