Are your dating standards too high and keeping you single?

I have this life long friend who I must say is an absolute dish. He has a wicked sense of humor, sleek black station hair, and green eyes. The thing is, for as long as I have known him, he has been in and out of unsuccessful relationships.

He is now single (again) and last night I asked him the question: Do you think you are going after a girl that is realistic, the right thing or are you chasing an idea of what you think to know you should be looking for?

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This is after he declined a drink date with a very nice girl as he didn't want to give her the wrong idea.

If you ask me, she is so perfect for him. She loves the outdoors,  loves animals, and comes with little-to-no baggage. The problem? He says there is no chemistry.

It got me wondering, can chemistry happen over time or does a relationship need to be fueled by lust and desire out the blocks?

How long have you been single for and do you think you've set your expectations too high?