how often would lustful thoughts come into your head for male and female

I'm a Christian but a lot of lustful thoughts come into my head at times say about once in every week . I'd never take advantage of a woman if lustful thoughts come in but they do come in and I'm very confused over the whole situation. Do lustful thoughts come in for everyone or is it just me that's happening too . I dont think I've a problem with . I'm on my own but they do come in .
What's your take on all of this