Increase sex drive

So we have been togethe for almost 10 years the sex is not as great as it once was i just dont find myself wanting to devour him its all mental because he's considerate in the bedroom but I'm just not mentally there i do get horny just not passionately about it im in my fertile week so im horny but how can i increase the sex drive to like wanting to rip his clothes off as soon as he walks in