SUBREDDIT: r/relationships
TITLE: After little less than 6 months, I [31M] feel decrease in attraction to my girlfriend [34F]
POST: Hi All,

Long time reader, first time-poster... here we go.

My girlfriend and myself are really in love, and also very much loving. Our relationship goes well and overall I am content, but thinking about the long term, I am afraid that the decrease in passion is not just a momentary thing.

I had it in past relationships, but usually after a longer period. Although we have great communication, I have no idea how to bring this up. Should I tell her "I have sexual thoughts about other women?" - we all have!

Should I tell her "I don't fancy you as I used to?" -- that's no constructive comment.

Should I just discuss our sex life? When we're making love / having sex [pick your preferred term] it's actually good.

Any advice would be welcome :)

Vinnie
TL;DR: 
we are happy together, I love her and she loves me. However, my passion for her decreases, and I find myself too much thinking/looking at others.