In your student life and due to modern thinking friend (off course bad ones), there are the possibilities that you could pick up some bad habits like smoking, drinking etc. No spouse can like and tolerate you in the state of drinking or smoking. So, say the last good bye to such habits. It is applicable to high obsessions towards games and other things too. The best advice for enhancing intimacy with partner is to inculcate good habit like praying and worshiping together.