Having a small penis is not a problem as you need to know how to perform with help of different tactics.
A small penis can work wonders if used properly.
Its all in your tactics, the seduction can start without the help of a penis also.
All you need is to satisfy her, you will get an orgasm no doubt but about her you can do it without penetration also.
There is no hard and fast rule where you can pleasure her in a particular way.
Everyone have their own style in pleasuring women.
There might be some health problem that's why achieving the right erection might be difficult.
In all this you can find your way of satisfying her if you do the right steps.
Some of them have a 2 inches small penis but they are masters in satisfying their women.
All you need is some touching and caressing.
Good foreplay can be helpful.
Just make her feel that you are there to satisfy her physically.
Touch her and caress her upper parts where she wants to be touched.
You can lick her if possible which would make her want more of you.
You have the girl all you need is a good technique which can satisfy her and get some orgasms.
Try to satisfy her while taking a bath by touching her wet parts.
You can let her know your fantasies in which you dream about her.
Try different positions which can satisfy her.
These positions will help you and her to try out something different.
The usual positions can be boring at times.
So just for change you can try different one.
Some of the positions do not require a large penis.
Having naughty talks can also be fun as you are diverting her attention.
Just concentrate on getting her aroused.