I have since learned to speak in tongues any time I want. I just utter nonsensical words while I throw in a few praise Jesus and halleluiah phrases. Many claim that they are speaking a foreign language, but speaking in tongues is not a foreign language it is gibberish. This is a result of expert analysis. Speaking in tongues are found in other religions.
Some Buddhist monks speak in tongues.
I think speaking in tongues can give people an emotional lift, but it also breeds pride that I am superior and closer to God because I speak in tongues and you do not. For some speaking in tongues is a mark of salvation. If you do not speak in tongues, you must not be saved. Some how I have not found that verse in scripture. Another supposed evidence of the Spirit is to be slain in the Spirit.