ISTP Type Men tends to be attracted to the reason of the next personality:
Active and practical people: ISTP prefers practical and active reason for exercising or hobby activities together. They love the love of enjoying a small daily life together and spending free time.
Open and respected person: ISTP likes reason with respect for his life and has an open attitude. They want to be respected by the other's privacy and personal space, so they are attracted to the opposite sex who can understand and consider it.
Logical and objective person: ISTP boyfriend tends to move by logic and objective facts rather than feelings. Therefore, they are attracted to reason with rational and reasonable attitudes.
Independent and individualistic person: ISTP is essentially independent and individualistic. So there is a tendency to be attracted to the opposite sex with a similar tendency to himself.
Taken together, it is attractive to the ISTP type male active, practical, open and respected attitude, especially the reason for logical, objective and independent tendencies.