Even i have some tips about how to keep your glans always exposed and it works.
Keeping the glans always exposed is not a bad practice as far as it is comfortable and it is good on the sex life also.
For past 5 years on and off i too keep my foreskin retracted with bare glans depending upon my mood without any discomfort and my glans has expanded also. Initially My lady used to gently suck and rub my bare glans a lot and that exercise played key role to make me comfortable to keep the glans exposed all the time. since my glans got permanently exposed we both enjoy the sex drive with added pleasure
Certainly it is not the worrying factor at all if your organ is functioning normal because Later or Sooner having permanent exposed glans is natural in most of the uncut men without any surgery or discomfort.
It can also be achieved by putting few simple efforts with patience and i have seen it works.
1)Glans of Most uncut men remain uncovered when they remove the penis after having intercourse with their partner, so even after finishing your sex (which we mostly do in the night) if you can keep your glans remain exposed at least till the time you are on bed it will be the best practice to start keeping your penis head comfortably exposed always as because this way without any extra effort your glans gets used to of external frictions gradually and your bare glans becomes familiar with the direct exposure of cloths without much discomfort. Also masturbating with bare glans by stretching the foreskin maximum backward behind the corona and keep rubbing your glans gently with other hand, this practice gradually makes your foreskin stable to stay behind the glans and your glans gets familiar to the external friction.
2) Another best practice is, always penetrate penis into your partner with exposed glans, means first retract your foreskin back towards the shaft of penis as much as possible and then insert the penis with bare glans because maximum stretch back of foreskin increases the elasticity of skin for keeping the glans bare and by inserting bare glans in the vagina makes the glans familiar with the frictions and due to high friction gradually glans looses its over sensitivity which delays the ejaculation and improve your sex duration. Getting your bare glans gently sucked and rubbed by your partner is also very helpful exercise to keep it exposed all the time.
A Normal uncut men who has intercourse almost everyday and practice the above tips, can easily be comfortable of keeping bare glans in a month or two. Permanently exposed glans with retracted foreskin expands in size which surely makes the oral sex and intercourse highly pleasurable for both the partners.