no matter how hard i try, i still cant cumhands free. sure, i can rub myself and cum during anal play but it only feels slightly better than a normal orgasm. everytime i try, i lay sideways on the couch and use a hair brush and put a pillow between the brushes end and my legs. I grand on and and push back on it. it feels good in certain spots and i swear i get so close to orgasming but it either never comes or i get physically tired. do i need to completely relax or should i 'flex' my ass/dick? i want this so bad but don't think it'll ever happen.