You have talked about whether you want children - This is one of the most important topics to discuss if marriage is on the table.
Your partner wants to introduce you to his/her friends - Your partner wants you to be part of most elements of his/her life, and that includes getting along with his/her friends.
Your partner wants to meet your family - If your partner willingly wants to meet your parents and extended family, then this is a sign he/she is all in with the relationship.
You have a fulfilling intimate life - Great intimacy is of utmost importance in a couple's life. If this is your case, your partner might just want to keep it this way for the rest of his/her life.
Your partner starts to get closer to your parents - Have you noticed your partner getting closer to your parents? Have you caught them talking on the phone? A proposal might just be brewing!
Your partner takes care of you when you need it - It's important to know we're with someone who genuinely wants to take care of us and has our back when we need it.
Many of your partner's friends are married - If most of your partner's friends have settled down and are happily married, then he/she is more likely to follow suit.
Your partner opens up to you easily - Does you partner pour out his/her heart and soul without fear of judgment or being misunderstood? Life-time partners do this.
You are invited to your partner's family events - You have been fully embraced by your partner's family and are always invited for family gatherings and celebrations.
Your partner shares his/her plans with you - Sharing life goals and plans with you in mind is a major sign that marriage is on the cards.