How does married life change after having a baby? Would like to be mentally prepared for this and not taken by surprise!

We have more laughter after having babies as babies are really cute. Although at times do have different views in parenting approaches and decisions related to kids, but we sort out by talking more to understand each feelings. I admitted that after babies are here, we never enjoy couple trip anymore. I just can't bear to leave babies alone at home while I am travelling. I really wish when the youngest kid turns older we will have chance for couple trip again. Having dinner outside, watching movie at cinema, buying groceries have became the only luxurious time to spend together.