Many things could lead to a romantic relationship, one of them (NOT ALL) is love. However, this doesn’t mean that love is or any other reason is the needed qualification for marriage to succeed. However, ONE of those needed qualities is respect, and it is implied that you respect your partner if you don’t put them through one of the following things:
1- Mocking them for their romantic history (and criticizing them for it!) is something you shouldn’t put your partner through. If you want a partner with no romantic history (as if there is such a thing!), then you should have said so from the very beginning. You should not wait until you can use their romantic history as leverage in a quarrel.
2- Insulting them for their jobs. Mocking your partner for their jobs implies that you think they are inferior to you. Moreover, did you start a relationship with your partner for who they are or for what they do and have?
3- Gaslighting is another form of abuse you shouldn’t put your partner through. It is what happens when you psych your partner into thinking that something isn’t true, like thinking they misunderstood you when you make fun of or belittle them.
4- Trying to push them into doing something they don’t want to is another thing you shouldn’t subject your romantic partner to. It is a serious type of abuse many people do or are subject to and they aren’t even aware of it. The fact that your partner doesn’t agree to something doesn’t mean you should treat them poorly for it.
5- Belittling them for how they speak or their choice of subjects they talk about is another thing you shouldn’t put your partner through. Of course this doesn’t apply when they speak about something that invades your private space, and even then you should stop the conversation politely instead of retaliating with insults.