Always be trurhful to your partner & it's the most important part for any relationship.

Try to understand your partner what he wants from you. It's better to ask him/her about that. Don't ignore any simple matter.

Spent time with him as much you can. At least go out with your partner once a week in a romantic place.

Share your problems & also listen to your partners problems. Try to understand them & make solutions for it.

Never leave your partner at any cost in any condition good or bad, cause it will make your relationship bond strong.

For them who gets bored with one partner' one question for you "Why don't you get bored at yourself' when you see again & again in the mirror for years?" Remember matter cannot change itself but human can do it with it's condition'.