Sexy dressing is for Tess, your now boyfriend, only.
First, it is embarrassing to you, but she guides you to your role at seducing her with your femininity.
You love how your erotic movements erect her.
"Whoa, you are making this thing rise darling"
"Yeh, I know. Thats how I felt about you back then"
"It is.. still weird, but I like it. I like the thought I can reach aprts of your body, I couldn't otherwise. Now come to me my slutty little girl", an she embraces you with her arms, pulling you down at his msucle body once yours.