When the man in your life asks you for help in tying a tie, wouldn't it be nice to say "Sure, no problem"?
1. Four in Hand (never heard of that one, but who am I to say it's not legit...)
2. Half Windsor (if you've only got 50% of the time or energy for a full one?)
3. Windsor (looks the same in the end as a Half Windsor to me, but apparently not?)
4. Shell Knot. Sounds dangerous. I like it.
Now you and your man can head out into the social wilderness looking all polished and tied up right. You're welcome :)