Do you utilize porn in a committed, monogamous relationship?

I am curious in the males pov about porn. I am a 27F, not ugly, but not georgous, fit and take care of myself. I have been in a committed, monogamous relationship for years. As a female I feel so conflicted with it. I feel that everyone has their own relationship with their body/self pleasure. I also know that in a relationship the sex drives don't always match up. Also might have different cravings, fantasies, etc. However if your spouse sends you nudes, videos, expresses desire for you on a consistent basis. Why is it not enough? In my relationship, it seems to take a lot of stimulation to help my man reach orgasm and with porn it's way easier. This is with in person and self pleasure. He tells me that when he watches porn he imagines its me and that he thinks about me. In his response I feel that he is just trying to protect my feelings. I feel that if he can turn to porn for stimulation and look outward for that, then what is the difference between looking outward seeking mental and emotional outside of the relationship.

Do you have those standards in your relationship? Do you hide it? Do you share it with your partner? Etc.

This can also be a lack of self esteem/insecurities. I am aware of that and have been addressing it in therapy.