age gap in a relationship

Angelica

So I am 18 years old and my boyfriend is 25. I just turned 18 in January and he will be 26 in September. a lot my friends totally support us and understand why I chose to be with an older man, but a few other people in my life (the adults) say that we shouldn't be together and how inappropriate it is. the thing is, I haven't told my mom yet because I know she's gonna be kissed but my boyfriend and I love each other so much and we don't want to hide anymore. I also don't know how andd when to tell her... I was thinking sometime after I graduate high school (2 months from now) l. any advice would be sooo helpful on what we should do. also what so u guys think of our relationship?