The context of the following conversation is Riley went to the mall with their mom. They needed to buy shoes.:
Riley says I really appreciate my mum getting me new shoes..
The friend responds Just try and take better care of these and try not to get them dirty this time..
Riley responds I didn't mean to get the last ones dirty, but it was raining hard out last week..
The friend responds Well you should have washed them off if they were dirty..
Riley responds I'm sorry I will wash them off next time..