As a 23-year-old ISTP woman, relationships aren't something I seek out. I actually feel very strongly about my freedom, and steer clear of commitment. However, short flings aren't quite in my nature either. For the past few years, instead of having a constant string of flings, I focused my attention to 2 or 3 individuals, whom I consider friends first and foremost. I like having a connection to people I'm involved with, and thus why I steer clear of flings.
Two particular interesting relationships I've had with people are with an ESTJ and an ENFP.
The ESTJ was older than me, and very settled. He's still in my life, and although I avoid the "what are we" topic, I've been more committed to him than anyone else in the recent years. He's very easy to talk to, and I have to say it's refreshing to have a conversation with someone that thinks and sees the world like you do. I admire how he has his responsibilities in order and is willing to spend a lot of time and attention on me (even if I don't always want that attention). If I -were- wanting to commit, he's the kind of stability I'd want. However... Although he has his fun, outgoing moments, I'm worried that we'd fall into routine.
As for the ENFP, he's been one of the individuals I've kept in my life under a sort of mutual relationship. We care about each other, but as we're both young, we would prefer no commitment and rather focus on having a meaningful friendship with each other. We don't always get each other due to our huge differences, but the time we spend together is always fun and spontaneous. In fact, I find him mysterious at times, and I've always been on a mission to figure him out. I often find myself thinking that his actions don't always match up with his word, which is frustrating for me as an ISTP. However, I deeply admire how talented and inspirational he is. If we could understand each other a little better and agree on a few more things, that would be my ideal match up.
If I were to want to commit, I'd think my ideal was a combination of the two (ESTJ, ENFP). I know for sure I can't handle ENTJs (Too opinionated and critical for my taste), but maybe an ENFJ. ESFJ or ESFP may be some other options.