My left bicep is bigger than my right is there something wrong with it?

Question

age:15

height:5'10'

weight 160

i can do way more reps with the left but itz wierd cuz im right handed my left one keeps getting bigger but my right cant keep up is there something wrong with it?

Answer 1

No, mostly likely nothing is wrong with your arm.

Try doing more reps with your right arm than your left for a while and it should even out, more or less.

Answer 2

you just use that muscle more