1. Be an item: an item means that two people are involved in a romantic relationship.
2. Rob the cradle: have a romantic relationship with someone who is much younger.
3. Significant other: refers to a person, such as a spouse, partner or lover, with whom you have a long-term relationship.
4. Starter marriage: a short-lived first marriage that ends in divorce with no kids, no property and no regrets.
5. Stormy relationship: have a lot of arguments and disagreements.
6. Think the sun rises and sets on someone: consider someone to be the most wonderful person in the world
7. Two-time somebody : cheat on one's partner by having a romantic relationship with another