Hello,I'm 21 obese male (5'2.5" height and 98KG weight).recently i decided to go to gym for lose my weight.since 01 of feb I started going.but now I'm having unexpected problems.I'm unable to get an erection.I don't have idea what's happening.this really annoying me all time.before i went to gym i was able to get considerable erection when i want.but now i can't get.everytime whole body like shaking most are legs(may be it's due to leg press at gym.don't know exactly)also i've noticed there's difference in my blood pressure and heart pulse.even when i'm sleeping it's in high rate.please help me..i'm really like depressed due to this....