Carol , my stepson

My name is Carol i am a 60 year old married woman, i have only been married for a year my husband is much younger than me he is 45 and has a son Karl of 14 , i have never had children so when i married Roy having a 14 year old boy around was very new for me but all was i thought going well until we were on holiday when began to notice that Karl would look at me if i was in shorts or a bikini top but it was not just a look now and again it was looking every chance he got it was what i call a look of lust and i was sure he was taking photos of me on his phone when he thought i was not looking, i knew i would have to tell Roy about it and was not looking forward to it as i did not want to cause trouble between us all, but when i did tell Roy the reaction i got from him shocked me he laughed