Hi there, I'm Tim and will be assisting you today. I have over 15 Years as an Engineer and have been with eBay, DoD and many others. I will do my VERY BEST to help you. If you like i can offer remote access and a call. In addition, with any positive rating I will support your question going forward for free.
Gmail is very strict with their security, you will need to have another email thats linked to them or a cell# ***** file, there are a few other tricks but it can be really hard to retrieve a lost account.