Unnecessary self-sacrifice makes me sad.

What should I do if I don’t love my husband truly?  I am a newly married [woman].  I wasn’t ready for the marriage but my parents were quite happy with it, which I couldn’t put down.  He loves me a lot, but I don’t love him the way I should.

Divorce him.

After the marriage is declared null and void, craft the kind of relationship(s) you want with the kind of person or people you actually desire.

Your parents’ opinions about your relationships affect you tangentially but not directly.  They should put all that worry and concern into their own relationship with each other.  You should get busy being the kind of person you would actually respect and admire.

If this was your friend instead of yourself, would you want them to

(a) suffer out of a sense of duty and obligation or

(b) fully embrace their life passionately and honestly?

Maybe that’s a false dilemma in your particular case. Maybe you think if you do the first obediently and sacrificially, eventually life will reward you with the second. Maybe you want him to be happy with the current state of affairs and will grit your teeth and bear it in the short term, hoping you can find some sort of satisfaction down the road.

However …

“I don’t love my husband” …

“I wasn’t ready for the marriage” …

“I don’t love him” …

Those are your true feelings, questioner.  All the other excuses are mitigating factors, not invalidating ones.

If this person was my friend, I would tell them to go after what they really want, not what others think they should want.

Apologize to your husband for wasting his time and yours, make him your ex-husband, then go get the life you actually had in mind for yourself.