How can I spice up my life? Mostly guys please?

Guys- What do you like having done in bed? Don't get me wrong the I have with my boy toy is great, but I don't want him to get bored. So give me something that will pleasantly surprise him. Women- Any other things you can think of that makes your men go crazy. We both like it rough so don't suggest slow romantic . We're not in love we are strictly . Does anyone think leaving ual notes around the house would work?