The context of the following conversation is After realizing their hair dye was staining them, Lee did not wear hats anymore.:
Lee says I had to stop wearing my basketball caps..
The friend responds Why? Do they bother you?.
Lee responds No! I coloured my hair and now when I wear a hat, the dye comes off onto the brim..
The friend responds Oh wow. Well how long till the dye comes off your hair?.
Lee responds In about 6 weeks, I think..
The friend responds You can go back to wearing hats then, at least..