What makes some relationships more lasting?

I think the answer you are looking for is:

" For any relationship some basic things would be consider useful:-

1} Trust

2} Mutual understanding

3} Avoid the negativity of partner

4} Don’t compare your relationship with any friend, colleague or with anybody.

5} Love without demand .

Only above listed some statement are enough to make your relationship strong as well long lasting.

Hope this helps!!

(Brainliest)!!

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )