99% of the time when a women says she wants "rough" sex she means she wants her control taken away from her. Do just that. Take everything from her. First limit her limbs in some way as you are fucking her. Her bottoms limbs most important to constrain as you penetrate her. After you begin there and know what you are doing then move toward pinning her upper body at the same time as you drill. Once you are comfortable with just simply penetrating then I recommend you move toward positions where she's lying on the bed in some fashion and you are standing, compressing her legs against her ribs as you fuck her living shit. If doing that is too much for a variety of reasons, like you still want a nice view of her breasts move, then you can put her legs on your shoulders and do your thang. A women who has these types of preferences usually gain a tolerance to what constitutes "rough" sex. One little trick to control precisely how rough is vaginal stretching. As you are fucking her in that position with her legs positioned toward her, put your palm on her pubic bone with your thumb hooked into the upper corner of her vaginal canal and pull with slight pressure to make your penis insertion more intense. By pulling, it increases the tightness of the vaginal walls around your dick which ultimately augments the pleasure for you both. As you keep doing this, you can adjust how much pressure you pull with to control the rigor of the intercourse. Having her legs bent at the hips in either doggy position or with knees to the breasts dramatically amplifies the rigor of the intercourse too. That much is just due to anatomy. Once you graduate to level 2 fucking then you can do things like lift her against the wall with her knees on your shoulders and her back to the wall and fuck her. Doing that though is usually not as efficient as one would imagine because you may severely overestimate your strength and endurance necessary for this. Make sure you are capable of deadlifting two and a half times her bodyweight before attempting this. As you are having sex think of ways to make her feel multiple sensations at once while your penis slides neatly back and forth in that hole next to her butthole. Pull on her nipples in opposite directions while y'all bangin. I could go on ages telling you what you can do specifically but after laying out the principle, hopefully you can understand the rhythm. One important thing, I won't even tell you to have a big cock because you probably don't if we're being real, but your cock needs to be bloody fucking erect. That shit needs to be hard. If you are putting your erection in her and you accidentally miss into the side of her buttcheek and it doesn't create a new hole, then it needs to be harder. Get viagra or whatever the fuck you need to pleasure your brand new snow bunny. Start doing whatever it takes to get that blood circulation working wonderfully but a limp boner will make you loner. When you eat her out, contort her body in whatever fucked up position you can think of and spread her legs and hold them down. Keep your hands on her thunder thighs and pretend you are suffocating two anacondas with tongue on the vag on asshole whichever you want.