Hello and welcome to justanswer. My name is***** will be assisting you today. Please give me a moment while I review your question.
Is your boyfriends computer a windows or Mac ?
Note: - Please reply using the box below.
Does he have Firefox web browser installed in it,if not which web browser does he use to open gmail ?
For most of the web browser there is a privacy protected version of the same browser can be used which wont store any details.
If you let me know the web browser name you want to use to open your gmail i will give you the instruction to how to access the privacy protected version of it.