I'm Gay,i Have A Girlfriend, & i'm Happy i Do But -?

Okay So i'm 17 Years Old, i've Been Interested In Girls For About 2 Years, But i've Never Been With A GIRL Before Until Now, We Get Along Great, But One Challenge Is Her Mom Is In Denial & Is Always Unexcepting, --> ANOTHER thing Is, We've Both Been With Guys & Now That We're With eachother We Get Kinda Flustered, Lols? We Play Around About "Omg,How Do Girls..." Lols, Well, Put It This Way We Wanna Try "It" BUT, Don't Know How To Get There, help