Well this topic is very much diverse depends upon person to person but I have some ways that applies to everyone .
The best relationship advice as far as got in my life is Talking
Love Quotes Between Couple Free Download Beautiful - Bf And Gf ...           So before understanding the term talk I about would give you some experiences 
1.  Giving gifts
     Giving gifts is very good thing you surprise your loved ones by giving them gifts which they need          but I wanna ask how many times you can give gifts . There is limit and the person also bored..

2.  Having Parties  
     Everyone likes party in their life but how many parties you can gives to loved ones 

3.  Kissing and hugging 
     Kissing and hugging is very good for health and for loving each other too. with kissing your                dopimine and serotonin level got increased , which basically means increasing self confidence ...
      but simple answer is how many times you can do it even you can do 50 types of kisses but person          gets bored after some time

4.   Sex
     Sex is great and very good activity between two loved ones . for me sex is like combining the two souls in this particular cosmos .  but you do sex few times , if you increase its intensity then your health , relation, and many thing s can get worse ,,and after all people get bored

You can bored by any activity but Talking is best thing because I choose a person who can talk to me every time about anything because we only love those person who talks with us .. Only thing is Talking every good thing starts with talking
 So guys only find those person who talks with you . Your relationship will be a great journey .
  Love makes person live his/her life worth living