Mutual respect in the sense that, even though your lifestyles make each other physically ill, you admire each other's ability to smoke meat?
LOL
I used to have the same reaction; I got over it. I don't think it has anything to do with varying comfort with my own sexuality, it's just that we are taught this is BAD. Just takes a little effort to get over it.
1. I recognize that this reaction serves no purpose.
2. I recognize that two men sharing a PDA does not threaten me or affect me at all except as I allow it to affect me.
3. I recognize that two consenting adults displaying affection is a good thing, not a bad thing.
4. Thus my reaction is stupid.
5. I do not wish to have stupid reactions, so I will no longer have this one.
Whole process took just a few minutes. Once you really admit in your heart that a particular reaction is stupid, useless and baseless, getting rid of it (absent some underlying trauma) is the simplest thing in the world. People like to say "I can't change the way I am." That's bullshit. Changing the way one thinks is virtually the only thing totally within one's power.
I cannot change reality, but I can change the way I react to it. By doing this I can materially change my own happiness and the happiness of others.