-You should tell them occasionally that you like them and have feelings for them. -Take care of his/her feelings. -Try not to do those things which the other person doesn’t like. -Share your secrets with them. -Always try to focus on what they say when having conversations and try to remember small details about them. -Tell them that they have a special place in your heart. -Give them some sweet compliments. -Be loyal and open with them. -Spend some quality time together. -Help them if they are struggling with something. -Try to make them smile while chatting. I guess these are enough to hint your love to someone. :)