A responsibility

A responsible man proves his responsibility by his actions. If he said, he did. Decided that it's time for you to live together? He takes responsibility for the woman and the future together. You can draw a conclusion about the responsibility of a person from everyday life. Such a man sets goals, makes plans, and, importantly, goes on the path to their implementation. It's one thing to infantilely wave your arms and talk about what you will have tomorrow, and another to really put it into practice.
Loyalty
There's not even a need for words. Vysotsky has one good quote on this topic:
“Stronger than cheating, I’m just afraid not to find out about cheating. It is terrible to love a person who no longer deserves it.
Be honest with your other halves. Become those rare exceptions, whose photos in many years will be published on social networks as a standard of relationships and love