Things you should have done:

Have you focused on keywords that consist of two to four words?
yes
Have you focused on keywords that will bring you targeted visitors instead of keywords with a high search volume?
yes
Have you avoided keywords that consist of only one word?
yes
Are your keywords so targeted that it is very likely that they’ll attract visitors that are interested in your products?
yes
Do you know which keywords potential customers use to find websites that are similar to yours?
yes
Do you know the three different keyword types?
yes

Things you should know:

One word keywords are not very effective because they are not very targeted. In addition, the competition for these keywords is very high and it is very difficult to get good rankings for them.
I know that
Web surfers might not use the keywords you expect. For example, people searching for “rhinoplasty” might actually enter “nose job” as the keyword. It is important to find the keywords that potential customers really use.
I know that
Internet users who use four-word searches are more likely to purchase goods or services than those using fewer words (source: Oneupweb Research).
I know that

Can you tick all boxes? Great! You can now proceed with the next search engine optimization step.