One thing that you do well is continue to visit my posts! ha ha
Every time I read a comment I always head over and check out the blog of the commenter.
One thing I forgot to mention is to take a look to ensure that they also upvoted your posts. There are comment trolls who comment and dont vote. Hoping you will upvote their comment or even head over and vote on their posts. Some of them even use bots to comment for them. But those are easier to spot.