What
Leaving appreciation or sweet notes. Whether you are in a romantic or friendship, employer or student, leaving appreciation notes or sweet notes for them can make them feel better about their relation with you. It could be one of the ways to strengthen the relationship with others.
Here's a small appreciation note for 7Cups Community and all whom I know and interacted with.

Now, as per you, Whats the single most important way to strengthen your relationship?
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@ASilentObserver Communication, communication, communication.
Communication to talk about common interests to spark the flame.
Communication to talk about the things you like and the things you don't like, to set boundaries, figure out if the relationship has a future, to turn the flame into a fire.
Communication to make compromises, forvige and being fogiven to keep the fire alive and under control.
Communication times three. Be it for family, friendly, romantic, professional relationships. Communication times three.
That's how it works for me. 
@AiluraBlaze
Yeah.. True.. Even I believe.. "Communication "is most important thing and we should express whatever we feel...
Being ourself.. No fake expression..not hiding..
"No fear": fear always stops us from saying many things...
If we don't like something ,we can say it politely.. But we should say.. It makes our bonding more strong..
If someone doesn't like the way we are.. And we have to think twice thrice before saying anything that Means we are not with the right person..
Communication, no fear, showing exact emotions are most important thing in any relationship
@simmikj Yes! If you play a role and hide your true self, people will not love you for who you are, they'll love you for who you show them to be. In the long run, that's exhausting for everyone.
Being yourself will attract people who appreciate you and will love you for who you are!
@AiluraBlaze
Yeah correct.. 
@AiluraBlaze
Agree Blaze. Communication is the key. And loved the idea of 3C. Lovely thoughts. Thank you for sharing this way with us. <3
@AiluraBlaze Sometimes I say this but other times I think some of us talk wayyyy too much! For instance females have thousands of words more in their vocabulary which can truly wear men out! On the other hand women friendships avoid confrontation dont know how to communicate without hurting the other persons feelings or ruining the relationship. :/ I think we all need to learn the skills in middle and high school?! Everyone should have to take a communication class that involves intimate relationships?
@discreetBanana3119 I can see where you come from! Too much of a good thing can be harmful. I believe that, regardless of gender, some people barely communicate their honest thoughs, some communicate so much it can be overwhelming. But here's the funny thing! Guess how we can know where we stand and what we can change: Communication. 
It's all around us, we can't avoid it. 
@AiluraBlaze Yes it
@ASilentObserver Your post reminded me how I used to leave small notes on everyone's desk in my office to make them smile. That was an amazing feeling when a small note can brighten up somebodies day. I should start doing it again thanks for reminding 
Well, I feel most important thing to strengthen a relationship is having a mutual understanding. Having a sense of understanding of other person's feelings, giving them their space, being with them when they need you the most.
@ASilentObserver Ways to strengthen a relationship- I would say to be honest and to talk. To have a understanding 50/50 to be on the same page. To spend enough time together and to have trust, no relationship can work without trust. Express your feelings and to have your partner express there needs as well show them that you care and are there for them, there are so many ways to strengthen a relationship.
@MelanieDaniels63 Lovely insights Mel. Second your thoughts Mel. Honesty and communication helps any relation to become stronger. And with communication, we also need to understand what communicated with each other. When you are on same page, it allows to keep relation run smoothly. Thank you for sharing with us . Hope you're doing well.
@ASilentObserver Your welcome! I'm doing alright, thanks for asking hope is all well with you as well. Have a great day/night!
@ASilentObserver Completely agree, the power of written notes is miraculous. And btw you seem to be awesome too :)
the single most important thing is Communication. You must talk toyour mate and be as open as possible with themeven if you feel it will hurt them. Don't let things build up and wait foran argument to speak about it.Talk right then so you can both reflect on what each other has to say.