Sadly age does matter - especially when you state that you want something more than just a friendship but a boyfriend. That ventures into the turbulent area of entrapment and many other things - even if you do not hop on any pose balls or start counting which base you get to.
You need to ask yourself do you wish to RP as a child and therefore accept the rules that a child in SL must adhere to - i.e. be childlike and not venture into even boyfriend territory or do you want more? Do you want to bond with someone else, to spend time with them and get closer? If so then I'd suggest you age yo